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Confidential Brother Color Laser Printer SERVICE MANUAL MODEL: DCP-9045CDN/MFC-9840CDW Read this manual thoroughly before ca rrying out any maintenance work.
Confidential © Copyright Brother Industries, Ltd. 2007 Compilation and Publication: This manual has been complied and published, under the supervision of Brother Industries Ltd., covering the latest product descriptions and specifications. The contents of this manual and the specifications of this product are subject to change without notice.
i Confidential PREFACE This service manual contains basic information required for after-sales service of the color laser multi function center (hereinafter referred to as "the machine"). This information is vital to the service personnel to maintain t he high printing quality and performance of the machine.
ii Confidential APPENDIX 1: WORKER SWITCH SETTINGS (WSW) Describes the functions of the worker swit ches, which can be divided into two groups: one is for customizing preferences designed for t he destination and the other is for modifying preferences that match the machine to the environmental conditions.
iii Confidential TABLE OF CONTENTS REGULATI ON............................................................................................ VIII SAFETY INFORM ATION ............................................................................ XII CHAPTER 1 TROUBL ESHOOTING .
iv Confidential CHAPTER 3 DISASSEMBL Y AND ASSEMBL Y ..................................... 3-1 1. SAFETY PRECAUTIONS ........................................................................................... 3-1 2. PACKING ...........................
v Confidential 8.31 Front Door Unit ASSY .................................................................................................. 3-1 39 8.32 Harness Cover MP ..................................................................................
vi Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER PART S REPLACEME NT .................... 4-1 1. IF YOU REPLACE THE MAIN PCB ............................................................................ 4-1 2. IF YOU REPLACE THE ENGINE PCB .
vii Confidential 2. OTHER SERVICE FUNCTIONS ............................................................................... 5-38 2.1 Resetting the Periodical Replacement Pa rts Life ............................................................ 5-38 2.1.
viii Confidential REGULATION <For Europe and Other countries> Radio interference (220 to 240 volt model only) This machine follows EN55022 (CI SPR Publication 22)/Class B. Before you use this product, make sure that you use one of the following interface cables.
ix Confidential Internal laser radiation Maximum radiation power: 25 mW Wave length: 780 - 800 nm Laser class: Class 3B EU Directive 2002/96/EC and EN50419 (European Union only) This equipment is marked with the recycling sym bol (below).
x Confidential < For USA and Canada > Federal Communications Commission (FCC) Declaration of Conformity (For USA) Responsible Party: Brother International Corporation 100 Somerset Corporate Boulevard P.
xi Confidential Industry Canada Compliance Statement (For Canada) This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Laser Safety (110 to 120 volt model only) This machine is certified as a Class 1 lase r product under the U.
xii Confidential SAFETY INFORMATION Caution for Laser Product (WARNHINWEIS fur Laser drucker) CAUTION: When the machine during servic ing is operated with the cover open, the regulations of VBG 93 and the performance instructions for VBG 93 are valid.
xiii Confidential Definitions of Warnings, Cautions, Notes and Memos The following conventions are used in this manual: Mark Contents Warnings tell you what to do to prevent possible personal injury. Electrical Hazard icons alert you to a possible electrical shock.
xiv Confidential Safety Precautions Listed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage electrodes inside the ma chine. Before you clean the inside of the machine or replace parts, make sure t hat you have turned off the power switch and unplugged the machine from the AC power outlet.
xv Confidential WARNING DO NOT use a vacuum cleaner to clean up scatte red toner. Doing this might cause the toner dust to ignite inside the vacuum cleaner , potentially starting a fire. Carefully clean the toner dust with a dry, lint-free cloth and di spose of it according to local regulations.
xvi Confidential WARNING When you move the machine, grasp the side hand holds that are located at the bottom of the machine. DO NOT carry the machine by holding scanner unit. To prevent injuries when moving or lifting this machine, ma ke sure to use at least two people.
xvii Confidential About Copying CAUTION LEGAL LIMITATIONS Color reproductions of certain documents are ill egal and may result in either criminal or civil liability. This memorandum is intended to be a guide rather than a complete listing of every possible prohibition.
Confidential 1-1 CHAPTER 1 TROUBLESHOOTING 1. INTRODUCTION Troubleshooting is the counter measure procedures that the service personnel should follow if an error or malfunction occurs with the machine.
Confidential 1-2 <Paper> (1) A recommended type of paper is being used. (Refer to “2.6 Paper” in Reference 1 .) (2) The paper is not damp. (3) The paper is not short-grained paper or acid paper. <Consumable Parts> (1) The drum unit (including the toner cartridge) is installed correctly.
Confidential 1-3 2. ERROR CODES This machine includes a self-diagnosis functi on. If the machine does not work normally it judges that an error has occurred, and indica tes the corresponding error message on the LCD, which in turn helps the end user to quickly find out the problem.
Confidential 1-4 Error codes Problem Refer to: Error codes Problem Refer to: 85 Tray 1 (T1) is not installed into the machine. 1-23 B 5 Detection error of horizontal scanning edge reduction in scanning area setting 1-29 86 Tray 2 (T2) is not installed into the machine.
Confidential 1-5 2.2 Error Cause and Remedy 2.2.1 Recoverable Error by User Check These errors are recoverable by following the message indicated on the LCD or following the items indicated in User Check . Error code 50 Drum End Soon Replace the drum unit User Check - Replace the drum unit with a new one.
Confidential 1-6 Error code 53 Change Parts PF Kit 2 Replace the LT paper feeding kit User Check - Replace the LT paper feeding kit with a new one. - After replacing the LT paper feeding kit, rese t the counter using the control panel on the machine. (Refer to “2.
Confidential 1-7 Error code 75 Cooling Down The machine is cooling down inside for protection. The machine indicates “Cooling Down” in one of the conditions below. (1) The temperature inside the machine is too high. (2) Both ends of the heat roller are at different temperatures.
Confidential 1-8 2.2.2 Service Call Error Check the User Check items first. If the same problem occurs follow each procedure in the order of the number described in the Step column in the table below. Error code 20(K) Print Unable 20 Turn the power off and then back on again.
Confidential 1-9 Error code 25 Print Unable 25 Turn the power off and then back on again. Develop drive motor failure Error code 26 Print Unable 26 Turn the power off and then back on again. Belt drive motor failure Error code 27 Print Unable 27 Turn the power off and then back on again.
Confidential 1-10 Error code 2A Print Unable 2A Turn the power off and then back on again. Belt cleaner release sensor failure Step Cause Remedy 1 Rotation defective of release shaft A of waste toner box. Replace the waste toner box. 2 Harness connection failure between belt cleaner release sensor PCB and belt cleaner release solenoid.
Confidential 1-11 Error code 2C(K) Print Unable 2C Turn the power off and then back on again. Error code 2D(Y) Print Unable 2D Turn the power off and then back on again. Error code 2E(M) Print Unable 2E Turn the power off and then back on again. Error code 2F(C) Print Unable 2F Turn the power off and then back on again.
Confidential 1-12 Error code 31 Print Unable 31 Turn the power off and then back on again. Density sensor failure Error code 32 Print Unable 32 Turn the power off and then back on again. Density sensor shutte r performance malfunction User Check - Check if there is a scratch, dirt or the like on the belt unit.
Confidential 1-13 Error code 34 Print Unable 34 Color adjustment shutter failure Step Cause Remedy 1 Density sensor shutter catching on some position Correct catching of the density sensor shutter. 2 Density sensor holder ASSY assembling failure Reassemble the density sensor holder ASSY correctly.
Confidential 1-14 Error code 38 Print Unable 38 Turn the power off and then back on again. THM (Thermistor) sensor failure Error code 39 Print Unable 39 Turn the power off and then back on again.
Confidential 1-15 Error code 57 Jam Duplex Pull out Tray 1 completely. Check inside the machine or open the Back Cover to remove the jammed paper. Paper jam while turning it over in duplex printing, or DX (Duplex) solenoid failure User Check - Check if the paper is jammed or not.
Confidential 1-16 Error code 5A Print Unable 5A Turn the power off and then back on again. Charge HVPS PCB failure Step Cause Remedy 1 Charge HVPS PCB ASSY harness connection failure Check the harness connection between the charge HVPS PCB and engine PCB, and the one between the charge HVPS PCB and low-voltage power supply PCB.
Confidential 1-17 Error code 60(C), 61(M), 62(Y), 63(K) Toner Life End Replace ***(*) Toner Cartridge. : The appropriate color is shown in “ ***(*) ”. Toner cartridge is at the end of life. User Check - Gently shake the toner cartri dge of the appropriate color from side to side and install it again.
Confidential 1-18 Error code 68 Print Unable 68 Turn the power off and then back on again. Fuser unit failure (The side thermistor detects higher temperature than the specified value.) Error code 69 Print Unable 69 Turn the power off and then back on again.
Confidential 1-19 Error code 71 Print Unable 71 Turn the power off and then back on again. Polygon motor failure Error code 72 Print Unable 72 Turn the power off and then back on again. Beam detecting sensor (K) failure Error code 73 Print Unable 73 Turn the power off and then back on again.
Confidential 1-20 Error code 76 Print Unable 76 Turn the power off and then back on again. Fuser unit failure (The center thermist or detects rapid temperature rising.) Step Cause Remedy 1 Fuser unit failure Replace the fuser unit. Error code 78 Print Unable 78 Turn the power off and then back on again.
Confidential 1-21 Error code 7D Drum Error Slide the Green tab on Drum Unit in each color. Refer to the User’s Guide for the procedures. Dirt on drum unit User Check - Clean the corona wire in the drum unit. - Replace the drum unit with a new one. Step Cause Remedy 1 Dirt or dust on drum unit electrodes Clean the electrodes on the drum unit.
Confidential 1-22 Error code 84 (Jam Rear) Jam Rear Open the Back Cover and remove the jammed paper. Paper jam rear side of the machine Error code 88 (Jam Inside) Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper.
Confidential 1-23 Error code 85 No Tray A Tray is not detected, install Tray 1. Tray 1 (T1) is not installed into the machine. User Check - Check if tray 1 (T1) is installed into the machine.
Confidential 1-24 Error code 8A (T1) Jam Tray 1 Remove the jammed paper from Tray 1. Error code 8B (LT) Jam Tray 2 Remove the jammed paper from Tray 2. Error code 8C (MP) Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press start. Paper jam in the appropriate tray User Check - Check if the paper is jammed in the appropriate tray.
Confidential 1-25 Error code 9D Registration Registration failed. See Troubleshooting chapter in User’s Guide. Incorrect sensor measurement value when implem enting auto color registration from the co ntr ol panel User Check - Check if there is a scratch, dirt or the like on the belt unit.
Confidential 1-26 Error code A5 Unable to Scan Remove the original document. Turn the power off, then on again. Fax scanning error (The first warning only) Step Cause Remedy 1 Scanning failure Turn the power switch off and on. Then, try scanning again.
Confidential 1-27 Error code AE Unable to Scan See Troubleshooting and routine maintenance chapter in User's Guide. FB unit home position sensor is not turned on. Step Cause Remedy 1 Drive PCB failure Replace the drive PCB. 2 Belt broken Replace the belt.
Confidential 1-28 Error code B0 SCANNER ERROR Harness for CCD unit is not connected correctly. * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy 1 Harness for CCD unit not connected correctly. Reconnect the harness for the CCD unit correctly.
Confidential 1-29 Error code B5 SCANNER ERROR Detection error of horizontal scanning edge reduction in scanning area setting * This error is indicated on the LCD in the maintenance mode.
Confidential 1-30 Error code BD SCANNER ERROR Black level data error * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy 1 Scanner unit failure Replace the FB unit.
Confidential 1-31 Error code C0(K) Cartridge Error Put the Black (K) Toner Cartridge back in. Identification failure for a new toner cartridge (K) Error code C1(Y) Cartridge Error Put the Yellow (Y) Toner Cartridge back in.
Confidential 1-32 Error code C4 Tray 2 Error Take out Tray 2 and push it back in firmly. Tray 2 (LT) plate-up function malfunction User Check - Check if Tray 2 (LT) is installed into the machine. Step Cause Remedy 1 Connection failure between the machine and LT connector Replace the connector.
Confidential 1-33 Error code C8 Out of Memory Secure Print Data is full. Press Cancel and delete the previously stored data. RAM area for secure data full User Check - Delete the stored data. Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY.
Confidential 1-34 Error code CC No Fuser Unit Install the Fuser Unit. Fuser unit is not installed into the machine. User Check - Check if the fuser unit is installed into the machine.
Confidential 1-35 Electrodes location of the drum unit Fig. 1-1 Electrodes location of the front door unit ASSY Fig. 1-2.
Confidential 1-36 Error code CE No Waste Toner Install the Waste Toner Box. Refer to the User’s Guide for how to install. Waste toner box is not installed into the machine. User Check - Check if the waste toner box is in stalled into the machine correctly.
Confidential 1-37 Error code D0-DF Press Stop Key Modem error User Check - Turn the power switch off and on and check if the machine is recovered from the error. Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY. Error code E6 Print Unable E6 Turn the power off and then back on again.
Confidential 1-38 3. PAPER FEEDING PROBLEMS Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below.
Confidential 1-39 3.3 Paper Jam Paper jam in the paper tray and front cover Step Cause Check Result Remedy 1 Belt unit malfunction Does the belt unit move correctly? No Replace the belt unit.
Confidential 1-40 3.4 Dirt on Paper User Check - Check if the paper is loaded into the paper tray correctly. - Turn over the stack of paper in the paper tray , or try rotating the paper 180° in the paper tray. Step Cause Check Result Remedy Is there dirt around the entrance of the fuser unit? Yes Clean the entrance of the fuser unit.
Confidential 1-41 4. IMAGE DEFECT TROUBLESHOOTING 4.1 Image Defect Examples Light on the whole page Poor fixing Dirt on the back of paper White vertical .
Confidential 1-42 4.2 Diameter of Rollers Image defects which appear periodically may be caused by failure of a roller. Specify the cause referring to the diameters of the rollers or pitch which appears in the image as shown in the table below. No. Parts name Diameter The pitch which appears in the image 1 Develop roller Ø 20.
Confidential 1-43 One color is light User Check - Check the machine’s environment. High temper ature and high humidity conditions can cause this problem. - Replace the toner cartridge or drum unit with a new one. - Implement calibration from the control panel.
Confidential 1-44 Dark User Check - Check the machine’s environment. High temperature and high humidity conditions can cause this problem. - Replace the toner cartridge or drum unit with a new one.
Confidential 1-45 Completely blank User Check - Replace the toner cartridge or drum unit with a new one. Step Cause Check Result Remedy 1 Developing bias voltage conduction failure Are the electrodes on the drum unit and machine body dirty? Yes Clean both electrodes.
Confidential 1-46 All one color Step Cause Check Result Remedy 1 Are the electrodes on the drum unit of the appropriate color and machine body dirty? Yes Clean both electrodes. 2 Corona wire failure Is the corona wire damaged? Yes Replace the drum unit.
Confidential 1-47 Vertical streaks User Check - This problem may occur with noise which is caused by dirt on the corona wire in the drum unit. In this case, clean the corona wire with the wire cleaner. - Replace the drum unit with a new one. - Replace the toner cartridge with a new one.
Confidential 1-48 Horizontal stripes User Check - Clean the inside of the machine and the corona wire in the drum unit. - Replace the drum unit with a new one.
Confidential 1-49 White vertical streaks on one color image User Check - Clean the scanner windows of the appropriate color with a soft lint-free cloth. - Check if there is no dust in the gap between the toner cartridge and drum frame. - Replace the toner cartridge with a new one.
Confidential 1-50 Faint print User Check - Check that the machine is installed on a level surface. - Replace the toner cartridge with a new one. - Clean the scanner windows with a soft cloth. Step Cause Check Result Remedy 1 La ser un it f ailu re Is the problem solved after replacing the laser unit? Yes Replace the laser unit.
Confidential 1-51 Note: If you have print quality problems, clean the drum unit as follows: (1) Pull the drum unit out of the machine and take all the toner cartridges out of the drum unit. (2) Turn the drum unit over by holding the handle. Make sure that the drum unit gears “1” are on the left hand.
Confidential 1-52 (4) Turn the drum unit gear to the direction of the arrow as shown in the figure below by hand while looking at the surface of the drum “1”.
Confidential 1-53 One color spots or dirt User Check - Damp (wet) paper might be used. Try changeing to freshly unopened paper. - Toner may be empty. Replace the toner cartridge with a new one.
Confidential 1-54 Downw ard fogging of solid color User Check - Toner may be empty. Replace the toner cartridge with a new one. Step Cause Check Result Remedy 1 Transfer HVPS PCB failure Is the problem solved after replacing the transfer HVPS PCB ASSY? Yes Replace the transfer HVPS PCB ASSY.
Confidential 1-55 Color misregistration User Check - Implement the auto color regi stration by the panel operation. - Replace the belt unit with a new one.
Confidential 1-56 Unstable color density User Check - Replace the belt unit with a new one. - Replace the drum unit with a new one. - Replace the waste toner box with a new one.
Confidential 1-57 Dirt on the bottom end of paper Step Cause Check Result Remedy 1 Dirt on the bottom of drum unit Is the bottom of drum unit dirty? Yes Wipe the dirt with a dry cloth as shown in Fig. 1-10. 2 Dirt on base shaft Is the base shaft dirty? Yes Wipe the dirt with a dry cloth as shown in Fig.
Confidential 1-58 5. SOFTWARE SETTING PROBLEMS The machine may not print the data correctly if there are incorrect software settings. User Check - Check that the USB cable is not damaged. - Check that the correct machine is select ed if you have an interf ace switching device.
Confidential 1-59 6. NETWORK PROBLEMS User Check - Check the descriptions in the network user’s guide. - Try resetting the factory settings. Step Cause Check Result Remedy 1 Wireless LAN PCB failure Is the problem solved after replacing the wireless LAN PCB ASSY? Yes Replace the wireless LAN PCB ASSY.
Confidential 1-60 7. TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS If a communications error occurs, the facsimile equipment (1) Gives the alarm (intermittent bl eep) for approximately four seconds. (2) Indicates the appropriate error message on the LCD.
Confidential 1-61 (3) Communication code compatib ility [checking the NSF and DIS] 1 Code 2 Causes 32 01 Remote terminal only with V.29 capability in 2400 or 4800 bps transmission. 32 02 Remote terminal not ready for polling. 32 10 Remote terminal not equipped with password function or its password switch OFF.
Confidential 1-62 (6) ID checking Code 1 Code 2 Causes 63 01 Password plus “lower 4 digits of telephone number” not coincident. 63 02 Password not correct. 63 03 Polling ID not correct. (7) DCN reception Code 1 Code 2 Causes 74 DCN received. (8) TCF transmission/reception Code 1 Code 2 Causes 80 01 Fallback impossible.
Confidential 1-63 (10) Video signal reception Code 1 Code 2 Causes A0 03 Error correction sequence not terminated even at the final transmission speed for fallback. A0 11 Receive buffer empty. (5-second time-out) A 0 12 Receive buffer full during operat ion except receiving into memory.
Confidential 1-64 8. TROUBLESHOOTING OF THE CONTROL PANEL Nothing is displayed on the LCD. User Check - Verify if the power switch is turned off. Step Possible cause Check Result Remedy 1 Connection between main PCB and control panel PCB Are the main PCB and control panel PCB connected properly? No Reconnect the connector properly.
Confidential 1-65 The control panel does not work. Step Possible cause Check Result Remedy 1 Key sticking Is there a key on the control panel stuck? Yes Clean up the panel cover, or remove the burrs from panel cover and panel keys.
Confidential 1-66 9. TROUBLESHOOTING OF FAX FUNCTIONS FAX can't send it. User Check - Verify that the telephone co rd is securely inserted. Step Possible cause Check Result Remedy 1 Dialing mode Setting Does a dialing signal (PB or DP) come out normally in each mode? (Use telephone line emulator.
Confidential 1-67 Speed dialing and One-touch dialing can't be used. Step Possible cause Check Result Remedy 1 Speed dialing keys or one-touch dialing keys Can a fax transmission be made using the numeric keys? Yes Replace the main PCB ASSY.
Confidential 1-68 No bell ring. Step Possible cause Check Result Remedy 1 Ring delay Ring delay is set to “0”. Yes Change the ring delay settings to another value. 2 Ring volume Ring volume is set to “OFF”. Yes Change the ring volume setting to another value.
Confidential 1-69 Speaker is silent during on-hook dialing. Step Possible cause Check Result Remedy 1 Connection between main PCB and speaker Are the main PCB and speaker connected properly? No Reconnect the connector properly. 2 Speaker Is the problem solved after replacing the speaker? Yes Replace the Speaker.
Confidential 1-70 10. OTHERS PROBLEMS The machine is not turned on, or the LCD indication does not appear. Step Cause Check Result Remedy 1 Harness connection failure of LCD panel PCB Is the harness of the LCD panel PCB ASSY connected correctly? No Reconnect the LCD panel PCB ASSY harness.
Confidential 1-71 Pickup function of paper tray does not work. Step Cause Remedy 1 Link lever not operating smoothly or catching. Make sure correct movemet of the link lev er. 2 Pickup roller holder ASSY not operating smoothly or catching. Make sure correct movement of the pickup roller holder ASSY.
Confidential 2-1 CHAPTER 2 PERIODICAL MAINTENANCE To avoid creating secondary problems by mishandling, follow the warnings below during maintenance work. WARNING - Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine.
Confidential 2-2 Life of Drum Unit <How to read the drum unit life> - It initially indicates 100% and gradually decreases. - It indicates 0% when the “Drum End Soon” appears on the LCD.
Confidential 2-3 Life of Belt Unit The belt unit life is decided according to t he page counter based on the actual “number of belt rotations”. <How to calculate the page counter> The page c.
Confidential 2-4 2. PERIODICAL REPLACEMENT PARTS 2.1 Periodical Replacement Parts Periodical replacement parts are the parts to be replaced periodically to maintain product quality. These parts would affect the product quality if they loose their f unctionality even if they do not appear to be damaged or there is no change in their appearance.
Confidential 2-5 2.2 Procedures to Replace Periodical Replacement Parts 2.2.1 Fuser Unit & Toner Filter Frame ASSY <Uninstalling Procedure> (1) Open the Back cover. Fig. 2-1 (2) Remove the two pan (washer) B M4x14 Taptite screws, and then pull out the Fuser unit to the back of the machine.
Confidential 2-6 (3) Remove the Toner filter fram e ASSY from the Paper eject ASSY DX. Fig. 2-3 <Installing Procedure> (1) Assemble the Toner filter frame ASSY onto the Paper eject ASSY DX.
Confidential 2-7 (2) Put the Fuser unit into the machine and fix it with the two pan (washer) B M4x14 Taptite screws. *1 Tightening Note: When tightening the screw, slowly turn it count erclockwise (in the direction to loosen the screw) with your hand until you feel that the screw is a little dropped in the hole.
Confidential 2-8 (3) Close the Back cover. Fig. 2-7 (4) After replacing the Fuser unit, reset the counter. (Refer to “2.3 Parts Life Reset Function” in this chapter.
Confidential 2-9 2.2.2 Laser Unit <Uninstalling Procedure> (1) Press the Front cover release button, and open the Front door unit ASSY. Fig. 2-8 (2) Open the Back cover.
Confidential 2-10 (3) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover upper. Note: Be careful not to break the plastic. As this c an be difficult to remove. Fig. 2-10 (4) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover ASSY.
Confidential 2-11 (5) Remove the one cup S M3x8 Taptite screw and three cup B M4x12 Taptite screws. (6) Release the three Hooks on the bottom and the two Hooks on the back side, and then remove the Side cover L ASSY. Note: When removing the Side cover L ASSY, pay attention to the Wire support rope.
Confidential 2-12 (8) Remove the two cup B M4x12 Taptite screws and two cup S M4x8 Taptite screws. (9) Release the one Hook on the front side, two Hooks on the bottom and the two Hooks on the back side, and then remove the Side cover R ASSY. Note: When removing the Side cover R ASSY, be careful not to damage section “A”.
Confidential 2-13 (11) Remove the cup S M3x6 Taptite screw, and then remove the FG harness ADF from the Driver PCB shield. (12) Remove the cup S M3x6 Taptite screw, and then remove the FG harness FB from the Driver PCB shield.
Confidential 2-14 (14) Open the Document scanner unit ASSY, and t hen release the Hooks of the Pull arms L and R from the joint of the Document scanner unit ASSY. Fig. 2-18 (15) Remove the two bind B M4x12 Taptite screws, and then remove the Document scanner unit ASSY from the Joint cover ASSY.
Confidential 2-15 (16) Disconnect the four Connectors (CN2, CN3 , CN7, CN10) from the Main PCB ASSY. (CN2, CN7: MFC-9840CDW only) (17) Remove the Screw pan (S/P washer) M3.
Confidential 2-16 (19) Remove the one cup S M3x8 Taptite screw and two bind B M4x12 Taptite screws from the back side of the Joint cover ASSY. Fig. 2-22 (20) Remove the six cup S M4x8 Taptite s crews from the top side of the Joint cover ASSY. (21) Release the four Hooks and one Pin to re move the Joint cover ASSY from the Frame unit.
Confidential 2-17 (22) Remove the four cup S M3x8 Taptite screws, and then remove the two Hook slopes. Fig. 2-24 (23) Remove the nine cup S M3x6 Taptite screws (8 pieces from the top and 1 piece from the front), and then remove the Scanner cover. Fig.
Confidential 2-18 (24) Disconnect the two flat cables (CN1, CN4) and connector (CN8) from the Laser unit. Note: After disconnecting the Flat cable(s), check that each cable is not damaged at its end or short-circuited. Fig. 2-26 (25) Remove the seven cup S M3x6 SR Tapt ite screws, and then remove the four Scanner holders and Laser unit.
Confidential 2-19 <Installing Procedure> (1) Assemble the Laser unit with the four Scanner holders and seven cup S M3x6 SR Taptite screws. Note: When assembling the Laser unit with the Scanner holders, ensure to put the positioning boss of the Laser unit into the positioning hole referring to the figure below.
Confidential 2-20 (3) Assemble the Scanner cover with the nine c up S M3x6 Taptite screws (8 pieces on the top and 1 piece on the front side). Note: When assembling the Scanner cover, secure the Screws in the order of the numbers which are indicated on the Scanner cover.
Confidential 2-21 (5) Catch the four Hooks and one Pin. Then, put the Joint cover ASSY onto the Frame unit and secure the six cup S M4x8 Taptit e screws onto the top of the cover. Fig. 2-32 (6) Secure the one cup S M3x8 Taptite screw and two bind B M4x12 Taptite screws onto the back side of the Joint cover ASSY.
Confidential 2-22 (7) Secure the two cup S M3x8 Taptite screws onto the front side of the J oint cover ASSY. (8) Secure the two cup S M3x8 Taptite screws onto the left side of the J oint cover ASSY. Fig. 2-34 (9) Connect the four Connectors (CN2, CN3, CN7, CN10) into the Main PCB ASSY.
Confidential 2-23 (11) Catch the Hinges on the Document sc anner unit ASSY onto the Joint cover ASSY putting the Flat cable of the Document scanner unit ASSY into the hole on the Joint cover ASSY. (12) Secure the Hinges with the two bind B M4x12 Taptite screws.
Confidential 2-24 (14) Assemble the FG harness FB with the one cup S M3x6 Taptite screw. (15) Assemble the FG harness ADF with the one cup S M3x6 Taptite screw. Fig. 2-38 (16) Connect the three Connectors (CN1 , CN2, CN4) into the Driver PCB ASSY. Fig.
Confidential 2-25 (17) Put the Flat cable through the Core, and then connect the three Connectors (CN14, CN16, CN21) and one Flat cable (CN17) into the Main PCB ASSY. Note: When connecting the Flat cable(s), do not insert it at an angle. After in sertion, check that the cable is not at an angle.
Confidential 2-26 (19) Assemble the Side plate LB with the th ree cup S M3x6 Taptite screws, one cup B M4x12 Taptite screw and one cup S M4x8 Taptite screw. Fig. 2-42 (20) Catch the Hooks of the Side cover L ASSY with the main body and fix the Side cover L ASSY with the one cup S M3x8 Taptite screw and three cup B M4x12 Taptite screws.
Confidential 2-27 (21) Catch the Hooks of the Back cover ASSY and assemble it with the two cup S M3x8 Taptite screws. Fig. 2-44 (22) Assemble the Back cover upper with the two cup S M3x8 Taptite screws. Note: Be careful not to break the plastic. As this can be diffic ult to reassemble.
Confidential 2-28 (23) Close the Back cover. Fig. 2-46 (24) Close the Front door unit ASSY. Fig. 2-47 (25) After replacing the Laser uni t, reset the counter.
Confidential 2-29 2.2.3 Paper Feeding Kit (PF Kit 1, PF Kit 2) <Uninstalling Procedure> (1) Pull out the Paper tray, and remove the paper from the Paper tray. Fig. 2-48 (2) Release the two Hooks of the Separat ion pad ASSY, and then lift up the Separation pad ASSY.
Confidential 2-30 (3) Push both sides of the Separation pad ASSY in wards to release the Pins and remove the Separation pad ASSY from the Paper tray. (4) Remove the Separation pad spring from the Paper tray. Fig. 2-50 (5) Press the Front cover release button, and open the Front door unit ASSY.
Confidential 2-31 (7) Slide the Roller holder ASSY to the direction of the arrows 7a, 7b and 7c in this order and remove it. Fig. 2-52 <Installing Procedure> (1) Assemble the Roller holder ASSY onto the Paper feed frame unit in the order of the arrow 1a, 1b and 1c.
Confidential 2-32 (2) Turn the Roller holder ASSY to the direction of the arrow 2a, push the Lift arm to the direction of the arrow 2b and fix the Boss of the Roller holder ASSY into the hole of the Lift arm. Note: Check whether the Lift arm moves by pushi ng the Roller holder ASSY upwards.
Confidential 2-33 (5) Push both sides of the Separation pad ASSY inwards and put its Pins into the Paper tray. Note: Check that the Separation pad ASSY pivots up and down smoothly by pushing it gently. Fig. 2-56 (6) Install the Paper tray into the machine.
Confidential 2-34 2.2.4 MP Paper Feeding Kit (PF Kit MP) <Uninstalling Procedure> (1) Press the Front cover release button, and open the Front door unit ASSY. (2) Release the two Hooks to remove the MP feed frame cover from the Front door unit ASSY.
Confidential 2-35 (4) Lift up the Hook and release it in the directi on of arrow 4a. Slide the Holder bush MP in the direction of arrow 4b, and then remove the Hol der bush MP from the shaft of the MP roller holder ASSY.
Confidential 2-36 (6) Remove the Separation pad ASSY MP from the Front door unit ASSY. (7) Remove the Separation pad spring MP. Note: Be careful not to loose the Separation pad spring MP. Fig. 2-62 <Installing Procedure> (1) Assemble the Separation pad Spring MP.
Confidential 2-37 (3) Put the Holder shaft into the hole wh ile holding the Separation pad ASSY MP. Slide the MP roller holder ASSY to the direction of the arrow 3b to re-assemble it. Fig. 2-64 (4) Put into the Holder bush MP to the direction of the arrow 4a and turn it to the direction of the arrow 4b so that the Hook catches.
Confidential 2-38 (5) Assemble the MP lift arm 2 with aligning it with the three Bosses provided on the Front door unit ASSY. Note: When assembling the MP lift arm 2, make sure that the shaft of the MP roller holder ASSY is put into the hole on the MP lift arm 2.
Confidential 2-39 2.3 Parts Life Reset Function This function is provided for service personnel in order to reset the counter of each periodical replacement part and count the number of repl acement times when replacing the periodical replacement parts.
Confidential 3-1 CHAPTER 3 DISASSEMBL Y AND ASSEMBL Y 1. SAFETY PRECAUTIONS To avoid creating secondary problems by mis handling, follow the warnings and precautions below during maintenance work. HOT SURFACE Some parts inside the machine are extremely hot immediately after the machine is used.
Confidential 3-2 2. PACKING A ccessory bag Quick setup guide Panel Toner cartridge C, M, Y, K Machine Option carton Carton Pad L Pad R Carton bottom Carton cord box Carton joint Carton joint Carton pa.
Confidential 3-3 3. SCREW TORQUE LIST Tightening Note: When tightening any of the screws shaded in the table below, slowly turn it counterclockwise (in the direction to loosen the screw) with your hand until you feel that the screw is a little dropped in the hole.
Confidential 3-4 Location of screw Screw ty pe Q'ty T ightening torque N m (kgf • cm) Taptite, cup S M3x8 SR 1 0.70 ± 0.1 (7 ± 1) ADF front cover 1 Taptite, cup B M3x10 1 0.50 ± 0.1 (5 ± 1) ADF back cover Taptite, cup B M3x10 1 0.50 ± 0.1 (5 ± 1) FG harness ADF Taptite, cup S M3x8 SR 1 0.
Confidential 3-5 Location of screw Screw ty pe Q'ty T ightening torque N m (kgf • cm) Joint cover FR Taptite, bind B M4x12 2 0.80 ± 0.1 (8 ± 1) Joint cover FL Taptite, bind B M4x12 2 0.80 ± 0.1 (8 ± 1) Top cover USB front ASSY Taptite, bind B M3x8 3 0.
Confidential 3-6 Location of screw Screw ty pe Q'ty T ightening torque N m (kgf • cm) Drive frame unit ASSY Taptite, bind B M4x12 3 1.20 ± 0.1 (12 ± 1) Paper feed/belt cleaner motor ASSY Taptite, cup S M3x6 4 0.60 ± 0.1 (6 ± 1) Develop release sensor PCB ASSY Taptite, cup B M3x8 1 0.
Confidential 3-7 4. LUBRICATION GE2 PG2 BDX1 PG2: PG-661 (2mm dia. ball) GE2: GE-676 (2mm dia. ball) BDX1: BDX-313 (1mm dia. ball) BG2 BG2: BG-MU (2mm dia.
Confidential 3-8 PG2 PG2 PG2 PG2 PG2 PG2 PG2 PG2: PG-661 (2mm dia. ball) Motor frame ASSY DX 4 places Motor frame ASSY DX Gear 85 Gear 54 4 places 4 places (2 places x2) A rm A rm SB A rm PF A rm SB 2.
Confidential 3-9 PG2 PG2 PG2 PG2 PG2: PG-661 (2mm dia. ball) BG2 BG2 BG2: BG-MU (2mm dia. ball) Paper feed/belt cleaner motor Gear 90R/24 Gear 80R/30 Gear 90R/24 Gear 80R/30 3 places 3 places SB chute.
Confidential 3-10 BG2 BG2 BG2: BG-MU (2mm dia. ball) PG2 PG2: PG-661 (2mm dia. ball) Gear 39/121 Gear 39/121 Gear 39/121 Drum drive ASSY 28 places (7 places x4) 4 places (1 place x4) Gear stopper Gear.
Confidential 3-11 PG2 PG2 PG2: PG-661 (2mm dia. ball) PG2 PG2: PG-661 (2mm dia. ball) Gear 24 LT Gear 46 LT 60 places (4 place x15) Clutch gear 45 Gear 45/40 Gear 32 LT Gear 37/22 Gear 46/55 Gear 20A Gear 33 In case of 2mm dia. ball x4 Gear 46/55 A spring is hung, installation part 2 places LT frame L In case of 2mm dia.
Confidential 3-12 BG2 BG2: BG-MS (2mm dia. ball) GE2 GE2: GE-676 (2mm dia. ball) F roller shaft LT F roller shaft LT LT frame R LT frame L F roller shaft LT F roller shaft LT 2 places 2 places.
Confidential 3-13 PG2 GE2 GE2: GE-676 (2mm dia. ball) PG2: PG-661 (2mm dia. ball) PG2 PG2: PG-661 (2mm dia. ball) Paper feed drive shaft LT ASSY LT frame L Bush AC LT 4 places 4 places Clutch gear 45 Clutch arm Clutch gear 45 Fittings shaft In case of 2mm dia.
Confidential 3-14 EM2 EM2 EM2: MOLYKOTE EM-D110 (2mm dia. ball) 1.4mm PG2 PG2: PG-661 (2mm dia. ball) LT paper tray Extension guide R Extension guide L Side guide R Side guide R LT paper tray In case of 2mm dia.
Confidential 3-15 5. OVERVIEW OF GEARS DEVELOPER DRIVE 1 LR0194001 Gear 98 10 LR0199001 Gear 35 2 LR0202001 Gear 100 11 LR0203001 Cupling gear 50 3 LR0201001 Gear 50/100 12 LR0203001 Cupling gear 50 4.
Confidential 3-16 PF DRIVE Location of PF drive gears 35 LR0316001 Gear Z35M75 36 LR0311001 PF drive gear Z23M75 37 LR0315001 Gear Z3218M0875 38 LR0326001 PU drive gear Z20M08 39 LR0314001 Gear Z3717M.
Confidential 3-17 6. HARNESS ROUTING 1 Transfer HVPS PCB unit (Registration-mark sensor PCB ASSY 1, 2, Density sensor) 2 USB host relay PCB ASSY Registration-mark sensor PCB ASSY 2 Registration-mark s.
Confidential 3-18 3 T1 PE/edge sensor PCB ASSY, Belt cleaner release sensor PCB ASSY Engine PCB ASSY Side frame L Front Clamp Clamp <A view> Belt cleaner release sensor PCB ASSY Belt cleaner rel.
Confidential 3-19 4 Develop release sensor PCB ASSY 5 Toner sensor PCB ASSY K, Y, M, C (TE/NEW) Develop release sensor PCB ASSY Hook Hook Engine PCB ASSY Front Front Clamps Clamp Develop gear plate AS.
Confidential 3-20 6 Laser unit Laser unit Front Hole Hole Develop gear plate ASSY Side frame L Laser unit Clamp Hole Clamp Hole Develop gear plate ASSY Main PCB ASSY Develop press drive L ASSY Clamp H.
Confidential 3-21 7 Develop press drive L ASSY (Develop release motor ASSY, Front cover interlock switch ASSY) 8 LVPS fan (PS) Develop press drive L ASSY Develop release motor ASSY Clamps Release driv.
Confidential 3-22 9 PS PCB unit 10 NCU unit (MFC-9840CDW only) Harness holder 16AWG Hooks Frame R PS PCB unit Power Inlet socket Power supply sw itch Power Inlet socket Ground terminal Screw pan (S/P .
Confidential 3-23 11 Paper feed/belt cleaner motor ASSY Side frame L Hook Paper feed/ belt cleaner motor ASSY Drive frame unit ASSY Engine PCB plate Rib Front Drum drive ASSY Hook Hook Hook Hook Engin.
Confidential 3-24 12 ADF unit A DF motor harness A DF relay harness FG harness ADF Document cover sensor harness Document cover sensor A DF relay PCB ASSY A DF moto r Hook Hook Hole A DF unit Hole A D.
Confidential 3-25 13 ADF unit (Document front sensor 1, Document front sensor 2) <A view> Motor frame A SSY DX Hook Hole Hooks Document front sensor 2 Document front sensor 1 A DF relay PCB ASS .
Confidential 3-26 14 ADF unit (Document rear sensor, Switch back sensor) 15 ADF unit (S/B solenoid ASSY, PF solenoid ASSY) Switch back sensor Document rear sensor A DF relay PCB ASSY <A view> &l.
Confidential 3-27 16 Document scanner unit (CCD unit, HP sensor) 17 Document scanner unit (Scanner motor, FG harness FB) CCD unit Hole HP sensor Document scanner unit HP sensor harness Driver PCB ASSY.
Confidential 3-28 18 Panel unit 19 Speaker ASSY Panel unit Panel PCB A SS Y Document scanner unit Hole Panel harness Harness holder Main PCB ASSY Hook Hooks Speaker ASSY Main PCB ASSY Hook Hook Hook C.
Confidential 3-29 20 Wireless LAN PCB ASSY (MFC-9840CDW only) Wireless LAN PCB ASSY Hook Hook Hook Hole Hook Hook Hole Joint cover ASSY Joint cover ASSY Hole Main PCB ASSY Wireless LAN PCB harness Fro.
Confidential 3-30 Preparation Prior to proceeding with the disassembly procedure, (1) Unplug - the AC cord, - the modular jack of the telephone line, - the USB cable, if connected, - the LAN cable, if connected, - the USB cable for PictBridge, if connected, and - the modular jack of the external telephone set if connected.
Confidential 3-31 7. DISASSEMBLY FLOW 5s / 5s 8.3 15s / 15s 8.9 10s / 10s 8.4 20s / 20s 8.6 10s / 10s 8.10 45s / 60s 8.29 40s / 50s 8.37 1 10s / 120s 8.38 40s/ 40s 8.41 45s / 60s 8.
Confidential 3-32 8. DISASSEMBLY PROCEDURE 8.1 Paper Tray (1) Release the two Hooks of the Separat ion pad ASSY, and then lift up the Separation pad ASSY.
Confidential 3-33 (4) Remove the two bind B M4x12 Taptite scr ews, and then remove the Tray cover ASSY. Fig. 3-3 Taptite, bind B M4x12 Tray cover ASSY <Top of paper tray>.
Confidential 3-34 8.2 DX Feed ASSY (1) Release the three Hooks to remove the DX hook ASSY. (2) Release the two Bosses to remove the DX feed ASSY. Fig. 3-4 8.
Confidential 3-35 (2) Release the two Bosses of the MP paper guide ASSY. Fig. 3-6 (3) Lift up the MP paper guide ASSY align the MP paper guide ASSY with section “A” of the MP lower chute. Bend section “A” then, remove the MP paper guide ASSY. Fig.
Confidential 3-36 (4) Release the Bosses while bending the MP cover ASSY and remove the MP cover ASSY from the Front door main. Fig. 3-8 Assembling Note: When assembling the MP paper guide ASSY, note the assembling method referring to the figure below.
Confidential 3-37 8.4 MP Lift Arm 2/ MP Roller Holder ASSY (1) Press the Front cover release button, and open the Front door unit ASSY. (2) Release the two Hooks to remove the MP feed frame cover from the Front door unit ASSY. Fig. 3-10 (3) Remove the MP lift arm 2.
Confidential 3-38 (4) Release the Hook to slide the Holder bus h MP in the direction of arrow 4a, and then remove the Holder bush MP from the shaft of the MP roller holder ASSY. Fig. 3-12 (5) Slide the MP roller holder ASSY in the directi on of arrow 5a and slightly pull it down in the direction of arrow 5b.
Confidential 3-39 (6) Remove the Separation pad ASSY MP from the Front door unit ASSY. (7) Remove the Separation pad spring MP. Note: Be careful not to loose the Separation pad spring MP.
Confidential 3-40 8.5 Fuser Unit/ Toner Filter Frame ASSY (1) Turn each of the two Cord holders at t he angle of 90 degrees and remove them from the Back cover upper and Side cover R ASSY.
Confidential 3-41 (3) Remove the two pan (washer) B M4x14 Taptite screws, and then pull out the Fuser unit to the back of the machine. Fig. 3-17 *1 Tightening Note: When tightening the screw, slowly turn it count erclockwise (in the direction to loosen the screw) with your hand until you feel that the screw is a little dropped in the hole.
Confidential 3-42 (4) Remove the Toner filter fram e ASSY from the Paper eject ASSY DX. Fig. 3-19 8.6 Back Cover Upper (1) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover upper. Note: Be careful not to break the plastic. As th is can be difficult to remove and reassemble.
Confidential 3-43 8.7 Paper Eject ASSY DX (1) Remove the bind B M3x10 Taptite screw , and then remove the Drive shaft holder. Fig. 3-21 (2) Release the Hook to remove the Fuser drive gear 18 from the shaft.
Confidential 3-44 (3) Remove the two cup B M4x12 Taptite screws and cup S M3x6 Taptite screw. (4) Disconnect the Connector. (5) Remove the Paper eject ASSY DX.
Confidential 3-45 Assembling Note: (1) Put the Drive shaft holder into the Shaft of the Frame unit. (2) Align the Hook and Pin of the Drive shaft holder with the hole on the Paper eject ASSY DX while inclining the Drive shaft holder 10 degrees downwards.
Confidential 3-46 8.9 Paper Guide/ HV TR Top Cover (1) Release the two Bosses, and then remove the Paper guide from the Transfer HVPS PCB unit while lifting it up slightly. Note: When removing the Paper guide, be careful not to damage the two Ribs. Fig.
Confidential 3-47 8.10 Transfer HVPS PCB Unit (1) Disconnect the four Connectors from the Electrode head. Fig. 3-29 (2) Disconnect the flat cable (CN1) and two connec tors (CN5, CN8) from the Registration relay PCB unit. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.
Confidential 3-48 (3) Remove the two cup S M3x6 Taptite scr ews, and then remove the Transfer HVPS PCB unit. Fig. 3-31 8.11 Registration-mark Sensor PCB A SSY 1, 2/ Density Sensor/ Registration Relay PCB ASSY/ Transfer HVPS PCB ASSY (1) Remove the bind B M3x8 Taptite scr ew, and then remove the Earth plate 3.
Confidential 3-49 (2) Remove the two bind B M3x8 Taptite screws, and then remove the Density shield plate 1. Fig. 3-33 (3) Remove the cup S M3x6 Taptite scr ew, and then remove the Earth plate 2.
Confidential 3-50 (4) Disconnect the Connector (CN3) of the Registration-mark sensor PCB ASSY 1. (5) Remove the bind B M3x8 Taptite screw, and then remove the Registration-mark sensor PCB ASSY 1 from the Density sensor holder. Fig. 3-35 (6) Disconnect the Connector (CN4) of the Registration-mark sensor PCB ASSY 2.
Confidential 3-51 (8) Disconnect the Connector (CN7), and remove the two bind B M3x8 Taptite screws, and then remove the Density sensor. Note: Do not touch the Variable resistor on the back of the Density sensor. Fig. 3-37 (9) Disconnect the Flat cable (CN2) and thr ee Connectors (CN6, CN9, CN13) from the Registration relay PCB ASSY.
Confidential 3-52 (10) Turn the Transfer HVPS PCB ASSY upside dow n. Remove the bind B M3x8 Taptite screw from the Registration relay PCB ASSY. (11) Remove the Registration relay PCB ASSY from the Transfer HVPS PCB unit.
Confidential 3-53 Assembling Note: When assembling the Registration relay PCB ASSY, put the section “A” of the Registration relay PCB ASSY into the section “B” of the Transfer HVPS PCB unit.
Confidential 3-54 8.12 Side Cover L ASSY (1) Remove the cup S M3x8 Taptite screw and three cup B M4x12 Taptite screws. (2) Release the three Hooks on the botto m and the two hooks on the back side, and then remove the Side cover L ASSY. Note: When removing the Side cover L ASSY, pay attention to the Wire support rope.
Confidential 3-55 8.13 Side Plate LB (1) Remove the three cup S M3x6 Taptite screw s, cup B M4x12 Taptite screw and cup S M4x8 Taptite screw, and then remove the Side plate LB.
Confidential 3-56 8.14 Drum Unit Fan (OPC) (1) Disconnect the Connector from the Engine PCB ASSY, and then remove the Drum unit fan (OPC). Fig. 3-45 Assembling Note: When assembling the Drum unit fan (OPC), place it so that the attached Label faces outwards.
Confidential 3-57 8.15 Side Cover R ASSY (1) Remove the two cup B M4x12 Taptite screws and two cup S M4x8 Taptite screws. (2) Release the one Hook on the front side, two Hooks on the bottom and the two Hooks on the back side, and then remove the Side cover R ASSY.
Confidential 3-58 8.16 Paper stopper (1) Open the Document scanner unit ASSY. (2) Open the Paper stopper and release the Pins on both sides. Fig. 3-47 (3) Turn the Paper stopper in the direction of arrow 3a and remove it from the Joint cover ASSY. Fig.
Confidential 3-59 8.17 Driver PCB ASSY (1) Disconnect the three Connectors (CN1 , CN2, CN4) from the Driver PCB ASSY. (2) Release the Lock and disconnect the Connec tor (CN3) from the Driver PCB ASSY. Fig. 3-49 (3) Remove the cup S M3x6 Taptite screw, and then remove the FG harness ADF.
Confidential 3-60 (6) Remove the two cup S M3x6 Taptite screw s, and then remove the Driver PCB ASSY from the Driver PCB shield. Fig. 3-51 Driver PCB ASSY Driver PCB ASSY Taptite, cup S M3x6 Driver PC.
Confidential 3-61 8.18 Pull arm L, R/ Hinge Protection Cover ASSY (1) Disconnect the three Connectors (CN14, CN16, CN21) from the Main PCB ASSY. (2) Disconnect the Flat cable (CN17) from the Main PCB ASSY, and then pull out the Flat cable from the Core.
Confidential 3-62 (4) Open the Document scanner unit ASSY, and t hen release the Hooks of the Pull arms L and R from the joint of the Document scanner unit ASSY. Fig. 3-54 (5) Remove the Left and Right Pull arms and Pull arm springs from the Pull arm guide.
Confidential 3-63 (6) Remove the two bind B M4x12 Taptite scr ews, and then remove the Document scanner unit ASSY from the Joint cover ASSY by lifting upwards.
Confidential 3-64 (8) Remove the two bind B M4x12 Taptite scr ews, and then remove the ADF unit from the Document scanner unit. Fig. 3-58 A DF unit Document scanner unit Taptite, bind B M4x12 Taptite,.
Confidential 3-65 8.19 ADF Unit (1) Turn the ADF unit upside down. (2) Remove the Hinge arm R from the Hinge base R. Fig. 3-59 (3) Remove the three cup B M3x10 Tapt ite screws, and then remove Hinge base R.
Confidential 3-66 (4) Remove the three cup B M3x10 Taptite screws, and then remove the Hinge ASSY L. Fig. 3-61 (5) Place the ADF unit the correct way up, and then remove the ADF cover ASSY from the ADF unit.
Confidential 3-67 (6) Remove the cup S M3x8 SR Taptite screw and cup B M3x10 Taptite screw from the ADF front cover 1. (7) Release the Hook from the bottom of the ADF unit and remove the ADF front cover 1 from the ADF unit. Fig. 3-63 (8) Lift up the top end of the Document tray ASSY and release the two Hooks.
Confidential 3-68 (9) Remove the cup B M3x10 Taptite screw from the ADF back cover. (10) Release the Hook A and Hook B from t he bottom of the ADF unit and remove the ADF back cover.
Confidential 3-69 (11) Disconnect the seven Connectors ( CN1~CN7) from the ADF relay PCB ASSY. (12) Disconnect the Connector of the AD F motor harness from the ADF motor. (13) Remove the cup S M3x8 SR Taptite screw, and then remove the FG harness ADF.
Confidential 3-70 (14) Remove the four cup B M3x10 Taptit e screws, and then remove the ADF chute ASSY from the Document cover sub ASSY. Fig. 3-67 (15) Remove the two cup S M3x8 SR Tapt ite screws, and then remove the SB chute ASSY from the ADF chute ASSY.
Confidential 3-71 (16) Turn the ADF chute ASSY upside down. (17) Remove the four cup B M3x10 Taptite screws, and then remove the Exit chute cover ASSY from the ADF chute ASSY.
Confidential 3-72 (18) Turn the Exit chute co ver ASSY upside down. (19) Remove the Earth spring from the Exit c hute cover ASSY. Fig. 3-70 Assembling Note: When assembling the Earth spring, ensure that the end of the Earth spring is attached onto the Antistatic brush as shown in the figure below.
Confidential 3-73 (20) Place the ADF chute ASSY the c orrect way up. (21) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (22) Remove the Bush from the ADF chute ASSY, and remove the PF roller holder ASSY from the ADF chute ASSY.
Confidential 3-74 (23) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (24) Remove the Bush from the ADF chute ASSY, and remove the LF roller 1 ASSY from the ADF chute ASSY.
Confidential 3-75 (25) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (26) Remove the Bush from the ADF chut e ASSY, and remove the SB roller ASSY from the ADF chute ASSY.
Confidential 3-76 Assembling Note: - When assembling each of the SB roller ASSY, LF roller 2/3/4 ASSYs and Exit roller ASSY, make sure to assemble it onto the correc t position. Identify each roller by the color or three shades of the rollers. Fig. 3-77 * It is recommended to mark each of the roller ASSYs when disassembling them.
Confidential 3-77 (28) Remove the three cup S M3x8 SR Tapt ite screws, and then remove the Motor frame ASSY DX. Fig. 3-79 Assembling Note: When assembling the Motor frame ASSY DX, ensur e that the gears (indicated with gray) are placed in the positions as shown in the figure below.
Confidential 3-78 (29) Remove the cup S M3x8 SR Taptite screw, and then remove the S/B solenoid ASSY. Fig. 3-81 (30) Remove the cup S M3x8 SR Taptite screw, and then Remove the PF solenoid ASSY.
Confidential 3-79 (31) Remove the cup S M3x8 SR Taptite screw, and then remove the ADF relay PCB ASSY. Fig. 3-83 (32) Remove the two cup S M3x8 SR Taptite screws, and then remove the Paper feed plate.
Confidential 3-80 (33) Remove the two cup S M3x8 SR Taptit e screws, and then remove the Paper feed chute ASSY. Fig. 3-85 (34) Turn the Paper feed chute ASSY upside down. (35) Release the Hooks of the Photo interrupter to remove the Photo interrupter from the Paper feed chute ASSY.
Confidential 3-81 (37) Push down the Stopper, slide the Actuat or front 1 to the stopper side and pull up the Actuator front 1 to remove. Fig. 3-87 (38) Release the Hooks of the Photo interrupter to remove the Photo interrupter from the Paper feed chute ASSY.
Confidential 3-82 (40) Push down the Stopper, slide the Actuat or front 2 to the stopper side and pull up the Actuator front 2 to remove. Fig. 3-89 A ctuator front 2 Paper feed chute ASSY Stopper <.
Confidential 3-83 (41) Remove the ADF film. (42) Remove the B M3x6 Taptite screw, and then remove the Spring plate ADF front ASSY. (43) Remove the back sheet ADF. (44) Remove the Separation rubber. (45) Release the two Hooks and then remove the Rubber holder.
Confidential 3-84 (47) Push the Hook to the direction of the a rrow 47a as shown in the figure below while holding the Presser roller, and remove the Presser roller shaft from the Hook. (48) Pull the Presser roller shaft out of the Presser roller. (49) Remove the two LF springs.
Confidential 3-85 (50) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (51) Remove the Bush from the ADF chute ASSY, and remove the LF roller 2 ASSY from the ADF chute ASSY.
Confidential 3-86 (52) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (53) Remove the Bush from the ADF chute ASSY, and remove the Exit roller ASSY from the ADF chute ASSY.
Confidential 3-87 (54) Turn the ADF chute ASSY upside down. (55) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (56) Remove the Bush from the ADF chute ASSY, and remove the LF roller 3 ASSY from the ADF chute ASSY.
Confidential 3-88 (57) Remove the four LF4 films from the ADF chute ASSY. Fig. 3-98 Assembling Note: When attaching the LF4 films, make sure the positions referring to the figure below.
Confidential 3-89 (58) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (59) Remove the Bush from the ADF chute ASSY, and remove the LF roller 4 ASSY from the ADF chute ASSY.
Confidential 3-90 (60) Release the Hooks of the Conductive bush A to remove the Conductive bush A. (61) Release the Hooks of the Gear ASSY to remove the Gear ASSY. (62) Remove the Flap A ASSY from the ADF chute ASSY. Fig. 3-102 (63) Push the Hooks to the direction of the a rrows 63a as shown in the figure below to remove the Document hold.
Confidential 3-91 (64) Remove the Document hold spring gently to prevent it from jumping. Fig. 3-104 Assembling Note: When assembling the Document hold spring, ma ke sure the assembled position referring to the figure below.
Confidential 3-92 (65) Place the ADF chute ASSY the c orrect way up. (66) Remove the three cup B M3x10 Taptite screws, and then remove the Drive frame sub ASSY. Fig. 3-106 (67) Remove the three cup B M3x10 Taptit e screws, and then remove the Front frame.
Confidential 3-93 (68) Remove the four cup B M3x10 Taptite screws, and then remove the Upper main chute ASSY from the Lower main chute ASSY. Fig. 3-108 (69) Turn the Actuator R to the direction of the arrow 69a and pull it out to the direction of the arrow 69b.
Confidential 3-94 (70) Release the Hooks of the Photo interrupter to remove the Photo interrupter from the Lower main chute ASSY. (71) Disconnect the Connector fr om the Photo interrupter. Fig. 3-110 (72) Remove the Flap B from the Lower main chute ASSY.
Confidential 3-95 (73) Push down the Stopper, slide the Actuator SB to the stopper side and pull up the Actuator SB to remove. Fig. 3-112 (74) Release the Hooks of the Photo interrupter to remove the Photo interrupter from the Lower main chute ASSY. (75) Disconnect the Connector fr om the Photo interrupter.
Confidential 3-96 (76) Remove the ADF document output suppor t flap from the Document cover sub ASSY. Fig. 3-114 (77) Release the four Hooks and two bosses to remove the Dressing cover ADF 1.
Confidential 3-97 (78) Turn the Document c over sub ASSY upside down. (79) Remove the cup B M3x10 Taptite screw from the Dressing cover ADF 2. (80) Release the three Hooks to remove the Dressing cover ADF 2. Fig. 3-116 (81) Place the Docu ment cover sub ASSY the correct way up.
Confidential 3-98 (84) Disconnect the Connector from the Document cover sensor. (85) Pull the Document cover sensor downwards to remove it from the Document cover sub ASSY while pressing the Hooks of the Document cover sens or. Fig. 3-118 (86) Turn the Document c over sub ASSY upside down.
Confidential 3-99 8.20 Panel Unit (1) Release the eight Hooks to remove the Printed panel cover from the Document scanner unit. Fig. 3-120 (2) Remove the Address label from the Printed panel cover.
Confidential 3-100 (3) Remove the four cup B M3x10 Taptite screw s, and then lift up the Panel unit slightly from the Document scanner unit. Fig. 3-122 (4) Gently lift up the Panel unit slightly and disconnect the Connector (CN1) from the Panel unit. Fig.
Confidential 3-101 (5) Turn the Panel unit upside down, and t hen disconnect the Connector (CN4) from the Panel PCB ASSY. (6) Release the Lock and disconnect the Flat cable (CN3) from the Panel PCB ASSY. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.
Confidential 3-102 (8) Remove the Rubber key (R, C, L) from the Panel unit. Fig. 3-126 (9) Remove the Panel insulation sheets. (10) Release the two Hook A to remove t he LCD cover and LCD ASSY from the Panel cover. Note: Be careful not to loose the LED guide.
Confidential 3-103 (11) Remove the LCD from the Backlight module. Fig. 3-128 LCD Backlight module.
Confidential 3-104 8.21 Document Scanner Unit (1) Remove the three cup B M4x12 Taptite screws. (2) Release the three Bosses in the order of 2a to 2b to remove the Dressing cover FB FL from the Document scanner unit. Fig. 3-129 (3) Remove the three cup B M4x12 Taptite screws.
Confidential 3-105 (5) Remove the two cup B M4x12 Taptite screws. Fig. 3-131 (6) Lift up the sections “A” and “B” of the Dressing cover FB top. (7) Slide the Dressing cover FB top in the di rection of the arrow to release the Hook and remove it.
Confidential 3-106 Note: Be sure not to open the Scanner top cover ASSY in a dusty place. (8) Remove the six cup B M4x12 Taptite scr ews, and then remove the Scanner top cover ASSY from the Scanner base ASSY. Fig. 3-133 (9) Turn the Scanner top cover ASSY upside dow n.
Confidential 3-107 (10) Slightly lift up the CCD unit and Guide sha ft and pull the Guide shaft out of the CCD unit. Fig. 3-135 Assembling Note: When assembling the CCD unit, ensure to put the front side of the CCD drive belt into the slit “A” of the CCD unit.
Confidential 3-108 (11) Remove the double-faced adhesive tape wh ich is attached between the FFC cable ASSY and CCD unit, and disconnect the FFC cable ASSY from the CCD unit. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.
Confidential 3-109 (13) Remove the cup B M3x8 Taptite screw. (14) Release the two Hooks from the botto m of the Scanner base ASSY and remove the FFC plate. Fig. 3-139 (15) Remove the double-faced adhesive tape and remove the Shield sponge from the Scanner base ASSY.
Confidential 3-110 (17) Remove the cup S M3x6 Taptite screw, and then remove the FG harness FB. (18) Remove the four pan B M3x8 Taptite screws, and then remove the Drive plate ASSY. Fig. 3-141 (19) Remove the two Screws pan (S/P was her) M3x6, and then remove the Scanner motor.
Confidential 3-111 (20) Remove the two B M3x6 Taptite screws, and then remove the Pulley ASSY. (21) Remove the Pulley spring. Fig. 3-143 (22) Release the Hooks to remove the Photo interrupter. (23) Disconnect the Connector fr om the Photo interrupter.
Confidential 3-112 (24) Remove the cup B M3x8 Taptite screw from the Scanner base ASSY. Fig. 3-145 (25) Turn the Scanner base ASSY upside down. (26) Remove the two cup B M4x12 Taptite scr ews, and then remove the Dressing cover FB base L from the Scanner base ASSY.
Confidential 3-113 (27) Remove the three cup B M4x12 Taptite screws from the Dressing cover FB base R. (28) Remove the Dressing cover FB base R from the Scanner base ASSY.
Confidential 3-114 8.22 NCU PCB ASSY (MFC-9840CDW only) (1) Disconnect the connector (CN7) from the Main PCB ASSY. (2) Remove the Screw pan (S/P washer) M3.5x6 and then remove the FG harness NCU. Fig. 3-148 (3) Remove the four bind B M4x12 Taptite scr ews, and then remove the NCU cover from the Joint cover ASSY.
Confidential 3-115 (4) Remove the Screw pan (S/P washer) M3.5x6, and then remove the FG harness NCU. (5) Remove the two bind B M4x12 Taptite scr ews, and then remove the NCU unit from the Joint covers ASSY. Fig. 3-150 (6) Remove the Screw pan (S/P washer) M3.
Confidential 3-116 (7) Remove the two cup S M3x6 Taptite screws, and then remove the NCU PCB ASSY. (8) Disconnect the connector of the NCU harness ASSY.
Confidential 3-117 8.23 Battery ASSY (1) Release the Hook to remove the Battery ASSY from the Joint cover ASSY. (2) Disconnect the connector from the Battery ASSY. Caution: - There is danger of explosion if t he battery is incorrectly replaced. - Do not disassemble or recharge the battery.
Confidential 3-118 8.24 Joint Cover ASSY (1) Remove the bind B M4x12 Taptite screw, and then remove the Pull arm guide L from the Joint cover ASSY. (2) Remove the bind B M4x12 Taptite screw, and then remove the Pull arm guide R from the Joint cover ASSY.
Confidential 3-119 (4) Remove the two cup S M3x8 Taptite screws from the front side of the Joint c over ASSY, and remove two cup S M3x8 Taptite screws from the left side. Fig. 3-156 (5) Remove the one cup S M3x8 Taptite screw and two bind B M4x12 Taptite screws from the back side of the Joint cover ASSY.
Confidential 3-120 (6) Remove the six cup S M4x8 Taptite screw s from the top of the Joint cover ASSY, and then release the four Hooks and one Pin to remove the Joint cover ASSY from the Frame unit. Fig. 3-158 (7) Turn the Joint cover ASSY up side down.
Confidential 3-121 (9) Remove the two bind B M4x12 Taptite screws. (10) Release the two Hooks and one boss to remove the Joint cover FL from the Joint cover ASSY. Fig. 3-160 (11) Remove the three bind B M3x8 Taptite scr ews, and then remove the Top cover USB front ASSY.
Confidential 3-122 (12) Remove the three bind B M3x8 Taptite screws, and then remove the USB holder and USB host relay PCB ASSY. Fig. 3-162 (13) Disconnect the Main USB host harne ss ASSY from the USB host relay PCB ASSY.
Confidential 3-123 (14) Remove the two bind B M4x12 Taptite screws, and then remove the Wireless LAN PCB ASSY from the Joint cover ASSY. (MFC-9840CDW only) (15) Disconnect the connector from the Wi reless LAN PCB ASSY. (MFC-9840CDW only) Fig. 3-164 (16) Release the Hook to remove the Wi reless LAN PCB ASSY from the Wireless LAN PCB holder.
Confidential 3-124 (17) Release the Hooks to remove the Paper stopper guide from the Paper chute. Fig. 3-166 8.25 Speaker ASSY (1) Disconnect the connector (CN 10) from the Main PCB ASSY.
Confidential 3-125 (2) Remove the cup S M3x6 Taptite scr ew, and then remove the Speaker holder. Fig. 3-168 (3) Remove the cup S M3x6 Taptite screw, and then remove the Speaker hold spring.
Confidential 3-126 8.26 Roller Holder ASSY (1) Push the Lift arm to the direction of the ar row 1a and release the boss of the Roller holder ASSY. Then, turn the Roller holder ASSY to the direction of the arrow 1b. Fig. 3-170 (2) Slide the Roller holder ASSY to the direction of the arrows 2a, 2b and 2c in this order and remove it.
Confidential 3-127 8.27 Paper Feed Frame Unit/ T1 PE/Edge Sensor PCB ASSY (1) Disc onnect the three connectors (C N1, CN10, CN11) from Engine PCB ASSY. CN1 CN10 CN1 1 Fig. 3-172 (2) Close the Front door unit ASSY. Remove the cup S M3x6 Taptite screw and two bind B M3x10 Taptite screws.
Confidential 3-128 (4) Release the two Hooks to remove the PF CR harness holder. Fig. 3-174 (5) Remove the Harness from the PF CR harness holder. Fig. 3-175 Harness PF CR harness holder PF CR harness .
Confidential 3-129 (6) Remove the five bind B M3x8 Taptite screws , and then remove the PF plate from the Paper feed frame. Fig. 3-176 (7) Release the Hook of the Separation roller bu sh to remove it. Then, remove the Separation roller drive shaft. Fig.
Confidential 3-130 (8) Remove the Edge actuator and PE actuator, and remove the Edge actuator spring. Fig. 3-178 (9) Release the three Hooks to remo ve the T1 PE/edge sensor PCB ASSY.
Confidential 3-131 Assembling Note: When assembling the Paper feed frame unit, make sure to follow the procedure described below. (1) Put the belt cleaner release sensor harne ss and belt cleaner release solen oid harness through the hole on the paper feed frame.
Confidential 3-132 (4) Assemble the Lift arm, Feed roller shaft TR and Separation roller drive shaft of the Pape r feed frame unit following the procedu re described below. <Assembling the Lift arm> Implement the operations below while hold ing the status describe d in Step (3).
Confidential 3-133 <Assembling the Feed roller shaft TR> While moving the Paper feed frame unit to the left hand side, turn the Gear to alig n the section “C” with the Feed roller shaft TR and put the shaft into the section “C”.
Confidential 3-134 (5) Check the engagement of each roller and move the Paper feed fra me unit to the left hand side of the main body until it stops to assemble it. Fig. 3-185 (6) Make sure that there is no looseness of t he harness. If there is, pull the harness from the outside of the side frame L.
Confidential 3-135 8.28 Belt Cleaner Re lease Sensor PCB ASSY (1) Release the two Hook s to remove the Belt cleaner release ASSY fr om the Middle plate. Fig. 3-187 (2) Turn the Belt cleaner release ASSY upside down. Remove the bind B M3x8 Taptite s crew, and then remove the SOL PCB sheet and Be lt cleaner release sensor PCB ASSY.
Confidential 3-136 (3) Disc onnect the Connector from the Belt cleaner release sensor PCB ASSY. Fig. 3-189 8.29 THM/HUM Sensor Holder ASSY (1) Disc onnect the Connector (CN35) from the Engine PCB ASSY.
Confidential 3-137 (2) Remove the one cup S M3x6 Taptite screw, and then remove the THM/HUM ground plate. (3) Remove the four cup S M3x6 Taptite screws.
Confidential 3-138 8.30 Release Rack (1) Remove the Release rack spring from the Hook. Fig. 3-192 (2) Remove the cup B M3x8 Taptite screw, and then remove the Release rack plate from the Release rack. (3) Remove the Release rack spring from the Release ra ck plate.
Confidential 3-139 8.31 Front Door Unit ASSY (1) Remove the cup S M3x6 Taptite screw, and then remove the Front door unit earth. Fig. 3-194 (2) Disconnect the six connectors (CN2, CN3 , CN4, CN7, CN8, CN9) from the Engine PCB ASSY. CN2 CN7 CN8 CN9 CN3 CN4 Fig.
Confidential 3-140 (3) Remove the Shoulder screw fixing the Wire sup port rope, and then release the Wire suppo rt rope from the Shaft. Fig. 3-196 (4) Remove the Collar 3 from the Hinge shaft L, and then remove the Hinge shaft L from the Hinge plate L.
Confidential 3-141 (5) Remove the Collar 3 from the Hinge shaft R, and then remove the Hinge shaft R from the Hinge plate R. (6) Remove the Front door unit ASSY from Frame unit. Fig. 3-198 Assembling Note: - When assembling the Wi re rope onto the Shaft on t he main body, be careful of the direction of Wire rope referri ng to the figure below.
Confidential 3-142 Assembling Note: - When assembling the Fr ont door unit ASSY onto the Hinge on the main body, make sure to align the Front door unit ASSY with the Hinge as shown in the figure below. Fig. 3-200 8.32 Harness Cover MP (1) Remove the cup S M3x6 Taptite screw, and then remove the Harness cover MP from the Front door unit ASSY.
Confidential 3-143 8.33 Front Door Sub (1) Remove the five cup B M4x10 Taptite scre ws and one cup B M3x8 Taptite screw, and then remove the Front door sub.
Confidential 3-144 8.34 EL Electrode Spring L/R (1) Remove the two bind B M3x8 Taptite screws, and then remove the EL electrode spring cover ASSY. Fig. 3-203 (2) Remove the two bind B M3x8 Taptite scre ws, and then remove the EL spring harness ASSY (white, red) and EL electrode spring L/ R.
Confidential 3-145 8.35 Hook Cover/ Front Cover Release Bu tton/ Button Spring/ Front Door Main (1) Remove the two cup B M4x10 Taptite screws. Fig. 3-205 (2) Remove the two cup B M4x10 Taptite screws. (3) Release the three Hooks to remove the Hook cover from the Front door unit ASSY.
Confidential 3-146 (4) Remove the Front cover release button and Button spring from the Hook cover. Fig. 3-207 (5) Release the two Hooks to remove the Fr ont door Main from the Front door unit ASSY.
Confidential 3-147 8.36 Hook Shaft/ Hook/ Hook Spring (1) Remove the Hook shaft. Fig. 3-209 (2) Remove the Hook and Hook spring L from the MP unit ASSY.
Confidential 3-148 8.37 Engine PCB ASSY (1) Disc onnect all the connec tors from the Engine PCB ASSY. Note: - After disconnecting the flat cable(s), check that each cabl e is not damaged at its end or short-circuite d. - When connecting the flat cable (s), do not insert it at an angle.
Confidential 3-149 8.38 Main PCB ASSY/ Ground Plate/ Ground Spring Plate (1) Remove the cup S M3x6 Taptite screw and bind B M4x12 Taptite screw, and then remove the Ground plate. (2) Remove the two cup S M3x6 Taptite screws, and then remove the Ground spring plate.
Confidential 3-150 (4) Remove the cup S M3x6 Taptite screw, and then remove the Main PCB ASSY as shown by arrows 4a and 4b. Fig. 3-215 Taptite, cup S M3x6 Main PCB ASSY Frame unit <Left side> 4a.
Confidential 3-151 8.39 Waste Toner Near/Full Sensor ASSY (1) Move the Positioning pin 1a as shown, and slide the Hooks to the direction of the arrow 1b, and then remove the Waste toner sen s or holder from the Middle plate. Fig. 3-216 (2) Release the Hook to remove the Waste toner sensor cover from the Waste toner sensor holder.
Confidential 3-152 (3) Release the three Hooks of each Waste toner sensor to remove the two Wa ste toner sensors from the Waste toner sensor ho lder. Fig. 3-218 (4) Disconnect the Connectors (yellow and bl ue) from each of the Waste toner sensors. Fig.
Confidential 3-153 8.40 Laser Unit/ Hook Slope (1) Remove the four cup S M3x8 Taptite sc rews, and then remove the two Hook slopes. Fig. 3-220 (2) Remove the nine cup S M3x6 Taptite screws (8 pieces from the top and 1 piece from the Front), and then remove the Scann er cover.
Confidential 3-154 (3) Disconnect the two flat cables (CN1, CN4) and connector (CN8) from the Laser unit. Note: - After disconnecting the flat cable(s), check that each cabl e is not damaged at its end or short-circuite d. - When connecting the flat cable (s), do not insert it at an angle.
Confidential 3-155 8.41 Develop Drive Motor ASSY (1) Remove the Rack gear 27 from the Frame unit. Fig. 3-224 (2) Remove the Alum sheet frame from the Develop gear plate ASSY. (3) Remove the seven cup S M3x6 Taptite scre ws, and then remove the Develop gear plate ASSY from the Frame unit.
Confidential 3-156 (4) Remove the three cup S M3x6 Taptite sc rews, and then remove the Develop drive motor ASSY from the Develop gear plate ASSY. Fig. 3-226 (5) Remove the five cup B M3x10 Taptite scre ws, and then remove the Gear guide holder from the Develop gear plate ASSY.
Confidential 3-157 (6) Remove the Friction c ap from the Develop gear plate ASSY. Fig. 3-228 Assembling Note: - When assembling the Develop gear plate ASSY ont o the Frame unit, secure the screws in the order of the numbers whi ch are indicated on the plate.
Confidential 3-158 Assembling Note: - When assembling the Develop gear plate ASSY, make sure to keep the Harness and Flat cable out of the Frame unit to prevent them from going in to the Develop gear plate ASSY.
Confidential 3-159 Assembling Note: - Always make sure to attach the Alum sheet frame after assembling the Develo p gear plate ASSY and Flat cable. Attach the Alum sheet frame so that it is aligned with the corner of the square hole as shown in the figure belo w.
Confidential 3-160 8.42 Drum Drive ASSY/ Drum Phase Sensor PCB ASSY 1, 2 (1) Remove the Engine insulation sheet from the Harness shield plate, which is fixed with a two-sided adhesive tape. Fig. 3-233 (2) Remove the three cup S M3x6 Taptite screws, and then remove the Harness shi eld plate from the Frame unit.
Confidential 3-161 (3) Remove the four cup S M3x6 Taptite sc rews, and then remove the Engine PCB plate. Fig. 3-235 Assembling Note: When assembling the Engine PCB plate, make su re that the se ction “A” is caught on the Hook of the Drive frame unit ASSY.
Confidential 3-162 (4) Remove the two cup S M3x6 Taptite screws, and then remove the Drum drive motor 1. (5) Remove the two cup S M3x6 Taptite screws, and then remove the Drum drive motor 2. Fig. 3-237 Assembling Note: The two Gears 39/121 which are en gaged with the same motor are phased with each other when assembling the Drum drive ASSY.
Confidential 3-163 (6) Remove the six bind B M4x12 Taptite scre ws, and then remove the Drum drive ASSY from the Frame unit. Note: Since the four Gears 39/121 of the Drum drive ASSY are assembled together, which makes one set, DO NOT replace only one gea r.
Confidential 3-164 8.43 Drive Frame Unit ASSY (1) Remove the three bind B M4x12 Taptite screws, and then remove the Drive frame unit ASSY from the Frame unit.
Confidential 3-165 8.44 Paper Feed/Be lt Cleaner Motor ASSY (1) Remove the four cup S M3x6 Taptite screws (2 pieces provided on each of the front and back), and then remove the Paper feed/belt cleaner motor ASSY from the Drive frame unit ASSY.
Confidential 3-166 8.45 Develop Release Sensor PCB ASSY (1) Remove the cup B M3x8 Taptite screw. (2) Remove the Develop release sensor PC B ASSY from the Frame unit.
Confidential 3-167 (2) Remove the three bind B M3x12 Taptite sc rews and cup B M3x12 Taptite scre w, and then remove the Develop press drive L ASSY. Fig.
Confidential 3-168 Assembling Note: - Assemble the Develop press drive L ASSY so that t he section of the Pull up lever L, where the spring is hooked is pla ced as shown in the figure below. Fig. 3-248 - Catch the harness from t he Laser unit onto the Hook as shown in the figure below, and then assemble the Develop press drive L ASSY.
Confidential 3-169 8.47 Front Cover Interlock Sw itch ASSY (1) Remove the Interlock switch holder spring and Interlo ck harness guide from the Develop press drive L ASSY. Fig. 3-250 (2) Remove the Front cover interlock swit ch ASSY from the Develop press drive L ASSY.
Confidential 3-170 8.48 Toner Sensor PCB ASSY K, Y, M, C (TE/NEW) (1) Remove the three cup B M3x10 Taptite scre ws, and then remove the Release d rive holder from the Frame unit.
Confidential 3-171 (2) Remove the bind B M3x8 Taptite screw, and then remove the Toner sensor PCB ASSY K (TE/NEW) from the Frame unit. (3) Remove the cup B M3x8 Taptite screw, and then remove the TE protect film 2 and Toner sensor PCB ASSY Y (TE/NEW) from the Frame unit.
Confidential 3-172 Assembling Note: Assemble the Toner sensor PC B ASSY K, Y, M, C (TE/NEW) as shown in the figure below. For the method to arrange the harnesse s, refer to “5.
Confidential 3-173 (6) Release the two Hooks of the LED holder to re move it from each of the four Toner sensor PCB ASSYs (TE/NEW). Fig. 3-255 Assembling Note: Assemble the Toner sensor PCB ASSY (TE/NEW) so that the Shu tter of the New toner actuator is put into the sensor section of the Toner sensor PCB ASSY (TE/NEW).
Confidential 3-174 8.49 New Toner Actuator/ New Toner Actuator Spring (1) Release the section “A” of the New toner ac tuator spring from the Hook of the Frame unit, and then remove the New toner actuator from the Fa me unit. Fig. 3-257 (2) Remove the New toner actuator spring from the New toner actuator.
Confidential 3-175 8.50 Side Plate R ASSY (1) Remove the four cup S M3x6 Taptite screws , four cup B M4x12 Taptite screws a nd screw pan (S/P washer) M4x8. (2) Remove the cup S M4x8 Taptite screw and screw pan (S/P washer) M4x8, and then remove the Side plate R ASSY from the Frame unit.
Confidential 3-176 8.51 Drum Lock Lever L (1) Remove the Screw, bind M3x8, and remove the Drum lock lever plate L ASSY and then remove the Drum lock spring and Drum lock lever L from the Frame unit. Fig. 3-260 Assembling Note: Assemble the Drum lock lever so that bo th Drum lock lever R and L are in the same direction.
Confidential 3-177 8.52 Drum Lock Lever R (1) Remove the Screw, bind M3x8, and remove the Drum lock lever plate R ASSY and then remove the Drum lock lever R from the Frame unit. Fig. 3-262 Assembling Note: Assemble the Drum lock lever so that bo th Drum lock lever R and L are in the same direction.
Confidential 3-178 8.53 Charge HVPS PCB ASSY (1) Remove the cup S M3x6 Taptite screw and two bind B M4x12 Taptite screws, and then release the four Hooks to remove the Charge HVPS PCB ASSY from the Frame unit.
Confidential 3-179 Assembling Note: - Be careful not to loose the HVPS charge head, HVPS charge head spring, HVPS DEV head and HVPS DEV head spring. Before assembli ng the Charge HVPS PCB ASSY, check that these four parts are complete, and that they move sm oothly.
Confidential 3-180 8.54 Toner LED PCB ASSY (1) Remove the Screw pan (S/P washer) M3x16, and then remove the Toner LED PCB from the Frame unit. Fig. 3-268 (2) Release the two Hooks to remove the LED holder from the Toner LED PCB. (3) Remove the other three Toner LED PCBs in the same way.
Confidential 3-181 8.55 Fuser Unit Fan (FU) (1) Remove the Fuser unit fan (FU) from the Frame unit. Fig. 3-270 Assembling Note: When assembling the Fuser unit fan (FU), pla ce it so that the attached Label faces outwards. 8.56 LVPS Fan (PS) (1) Remove the LVPS fan ( PS) from the Frame unit.
Confidential 3-182 8.57 Air Intake Fan (AIR) (1) Remove the Air intake fan (AIR) from the Frame unit. Fig. 3-272 Assembling Note: When assembling the Air intake fan (AIR), pla ce it so that the attached Label faces outwards.
Confidential 3-183 8.58 PS PCB Unit (1) Remove the LVPS insulation sheet and LVPS V0 insulation sheet from the PS PCB unit. Fig. 3-273 (2) Remove the Power supply switch from t he Belt gear plate ASSY by pushing the Hooks inwards.
Confidential 3-184 (3) Remove the Screw pan (S/P washer) M4x8, and then remove the Grou nd terminal. (4) Remove the two Taptite, flat B M3x10, and then remove the Power inlet so cket from the Frame unit. Fig. 3-275 (5) Remove the three bind B M4x12 Taptite scre ws, and then release the Hook to remove the PS PCB unit from the Frame unit.
Confidential 3-185 (6) Disconnect the four Connectors (CN2, CN101, CN102, CN103) from the PS PCB unit. CN2 CN101 CN102 CN103 Fig. 3-277 Assembling Note: - Assemble the LVPS insulation sheet so that the section “A” is in the position as shown in the figure below.
Confidential 3-186 Assembling Note: - Assemble the Powe r supply switch so that the ON/OFF mark on the Power supply switch is aligned with the ON/OFF mark impr inted on the Belt gear plate ASSY. Fig. 3-279 - When assembling the PS PCB unit, align it with the two Bosses on the Frame unit.
Confidential 3-187 8.59 Belt Unit Drive Motor ASSY (1) Release the three Hooks to remove the Harness holder 16AWG fro m the Belt gear plate ASSY. Fig. 3-281 (2) Remove the three cup B M4x12 Taptite screws and S cr ew , cup M3x6, and then remove the Belt gear plate ASSY from the Frame unit.
Confidential 3-188 (3) Remove the bind B M3x10 Taptite screw, and then remove the LV fan duct from the Frame unit. Fig. 3-283 (4) Remove the three cup B M4x12 Taptite scre ws, and then remove the Belt unit drive motor ASSY from the Frame unit. (5) Disc onnect the Connector from the Belt unit drive motor ASSY.
Confidential 3-189 (6) Remove the two Screws bind M3x5, and then remove the Belt unit drive motor from the Motor plate P. Fig. 3-285 Screw bind M3x5 Belt unit drive motor Motor plate P.
Confidential 3-190 9. DISASSEMBLY PROCEDURE (LT-100CL) 9.1 LT Paper Tray (1) Pull out the LT paper tray, and remove the paper from the LT paper tray. Fig. 3-286 (2) Release the two Hooks of the LT separation pad ASSY, and then lift up the LT separation pad ASSY.
Confidential 3-191 (3) Push both sides of the LT separation pad ASSY inwards to release the Pins and remove the LT separation pad ASSY from the LT paper tray.
Confidential 3-192 (5) Remove the two bind B M4x10 Taptite screws from the Pinch roller holder cover LT. (6) Release the four Hooks to remove the Pinch roller holder cover LT from the LT paper tray. Fig. 3-290 (7) Remove the Pinch roller holder spring from the Rib of the LT paper tray.
Confidential 3-193 (8) Release the Pin to remove the Pinc h roller sub ASSY from the LT paper tray. Fig. 3-292 LT paper tray Pinch roller sub ASSY Pin Pin Pinch roller sub ASSY.
Confidential 3-194 9.2 LT Cover Rear (1) Remove the four Shoulder screws from the LT cover rear. Fig. 3-293 (2) Release the two Pins on the bottom to remove the LT cover rear.
Confidential 3-195 9.3 LT Cover Left (1) Remove the three Shoulder sc rews from the LT cover left. Fig. 3-295 (2) Release the two Hooks on the upper side and the two Hooks on the Back to remove the LT cover left.
Confidential 3-196 9.4 LT Cover Right (1) Remove the three Shoulder screws from the LT cover right. Fig. 3-297 (2) Release the two Hooks on the upper side and the two Hooks on the Back to remove the LT cover right.
Confidential 3-197 9.5 LT Relay PCB ASSY (1) Disc onnect the all connectors from the LT relay PCB ASSY. CN1 CN3 CN4 CN6 CN5 CN2 Fig. 3-299 (2) Remove the cup S M3x6 Taptite scre w, and then remove the LT relay PCB ASSY.
Confidential 3-198 9.6 LT Solenoid ASSY (1) Remove the cup S M3x6 Taptite screw, and then remove the Solenoid holder ASSY. Fig. 3-301 (2) Remove the Screw flanged M3X3.5, and then remove the LT solenoid ASSY and Solenoid spring MP from the LT solenoid hol der.
Confidential 3-199 9.7 Collar 6 (1) Remove the two Collars 6 from the Fittings shaft. Fig. 3-303 9.8 Cassette Switch ASSY (1) Remove the three cup S M3x6 Taptite screws and release the Hook.
Confidential 3-200 (2) Release the Hook to remove the Cassette actuator and Cassette actuator spring. Fig. 3-305 (3) Release the two Hook s to re move the Cassette switch ASSY.
Confidential 3-201 9.9 LT Paper Feed Frame Unit (1) Remove the four cup S M3x6 Taptite scre ws, and then remove the LT front cover and LT beam F from the LT frame unit. Fig. 3-307 (2) Remove the Retaining ring E4 from the F roller shaft LT and remove the Gear 24 LT and FR bush.
Confidential 3-202 (3) Remove the Retaining ring E3 from the F roller shaft LT and remove the FR bush TR. Fig. 3-309 (4) Remove the Lift spring from the Hook of the Lift lever A. (5) Remove the F roller shaft LT from the LT frame unit by pushing right (5a), pull left end forward (5b) and remove leftwards (5c).
Confidential 3-203 Assembling Note: When assembling the F roller sh aft LT, place the Rib of the Paper feed frame unit between the section “A” and “B” of the Lift lever B and a lig n the section “B” with the Lever of the Paper feed holder.
Confidential 3-204 (7) Remove the Gear 20A from the Drive unit by releasing the Hook. Fig. 3-313 (8) Remove the Gear 33 from the Drive unit by releasing the Hoo k.
Confidential 3-205 (9) Remove the Extension spring LT from the Spring hoo k and remove the Gear 46/55 from the Drive unit by releasing the Hook. Fig. 3-315 (10) Remove the Gear 46 LT from the Drive unit.
Confidential 3-206 (11) Remove the two cup S M3x6 Taptite scre ws and one bind B M4x10 Taptite screw from the LT frame L unit. Fig. 3-317 (12) Turn the LT frame unit upsi de down. (13) Remove the two cup S M3x6 Taptite screws from the LT frame u nit. Fig.
Confidential 3-207 (14) Turn the LT frame unit the correct way up. (15) Remove the two cup S M3x6 Taptite screws from the LT beam R. Fig. 3-319 (16) Remove the cup S M3x6 Taptite screw from the LT frame u nit.
Confidential 3-208 (17) Remove the LT paper feed frame unit from the LT frame unit by 17a and 1 7b. Fig. 3-321 LT paper feed frame unit LT frame unit <Front> 17a 17b.
Confidential 4-1 CHAPTER 4 ADJUSTMENTS AND UPDA TING OF SETTINGS, REQUIRED AFTER P ARTS REPLACEMENT 1. IF YOU REPLACE THE MAIN PCB < What to do when replacing the main PCB > Rew riting the Firmw.
Confidential 4-2 <Procedures> Rew riting the Firmware (Main Fi rmw are, Sub Firmw are (PCL/PS)) - How to rewrite the firmw are by using the USB flash memory drive If you save program files in the USB flash memory drive and plug it into the USB direct Interface, you can rewrite the firmware and set the country.
Confidential 4-3 (8) Remove the USB flash memory drive fr om the USB direct interface once the update have finished. Note: When pressing the * and # buttons at the same time, you can check the firmware version of the the Main Program on the LCD.
Confidential 4-4 (6) The following screen appears, indicating the detection of new hardware device by the system. Select “No, not this time.” And click Next .
Confidential 4-5 (8) Alert warning message of WHQL appears, Click Continue Anyway to proceed..
Confidential 4-6 (9) Repeat the steps from (6) to (8) three times, and then complete its installation. (10) If the Brother Maintenance USB Printer driver is successfully installed, the following message screen appears.
Confidential 4-7 < How to rewrite the firmw are (Main Fi rmw are and Sub Firmwa re (PCL/PS))> After the installation procedure of the Br other Maintenance USB Printer driver is completed, refer to the following steps for t he detailed procedures to rewrite the program files.
Confidential 4-8 Rew riting the Main Firmware (1) Press the Menu and Black Start buttons. Next press the button four times to make the machine enter the maintenance mode.
Confidential 4-9 EEPROM Parameter Initialization of Ma in PCB (Maintenance Mode: Code 01) Refer to “1.4.1 EEPROM Parameter Initialization” in Chapter 5 , and perform the EEPROM parameter Initialization of main PCB. Operational Check of Control Panel Button (Maintenance Mode: Code 13) Refer to “1.
Confidential 4-10 (3) Check the port (USB) that the machine is connected through and click “Serial No.” in the lower box. Enter the serial number (the last nine digits ) of the machine into the box on the right hand side. The serial number is shown in the window, and check that it is correct.
Confidential 4-11 2. IF YOU REPLACE THE ENGINE PCB < What to do when replacing the engine PCB > Rew riting the Firmware (Engine Firmw are) Performing the Color Calibration Performing the Auto Registration < Which parts to use > - Engine PCB: The table below shows the ROM type.
Confidential 4-12 (3) When the machine has recognized the USB flash memory drive, the Direct button lights blue. Press the Direct button. (4) “Direct Print” is displayed on the first li ne of the LCD, and the file names will be shown on the second line of the LCD.
Confidential 4-13 (3) Double-click the “FILEDG32.EXE” to start. The following screen appears. (4) Drag the necessary firmware program f ile such as LZ0833_A.djf and drop it onto the Brother Maintenance USB Printer icon. “P rogram Updating” will appear on the LCD.
Confidential 4-14 3. IF YOU REPLACE THE FB UNIT < What to do when replacing the FB unit > Acquisition of White Level Data and Set the CCD Scanner Area (Maintenance Mode: Code 55) < Procedures > Acquisition of White Level Data and Set the CCD Scanner Area (Maintenance Mode: Code 55) Refer to “1.
Confidential 5-1 CHAPTER 5 SER VICE FUNCTIONS 1. MAINTENANCE MODE The maintenance mode is exclusively designed fo r the checking, settings and adjustments of the machine by using the buttons on the control panel. You can customize the EEPROM according to the shipment destination of the machine concerned.
Confidential 5-2 1.3 List of Maintenance-mode Functions Function Code Function Refer to: 01 EEPROM Parameter Initialization 1.4.1 (5-3) 05 Printout of Scanning Compensation Data 1.4.2 (5-4) 06 Placement of Scanner Unit Position for Transportation 1.4.
Confidential 5-3 1.4 Detailed Description of Maintenance-mode Functions 1.4.1 EEPROM Parameter Initialization (Function code 01, 91) <Function> The machine initializes the parameter, user switches, worker switches and assurance mode switch settings registered in the EEPROM, to the initial values.
Confidential 5-4 1.4.2 Printout of Scanning Compensation Data (Function code 05) <Function> The machine prints out the black and wh ite level data for scanning compensation. <Operating Procedure> Do not start this function merely after powering on the machine but start it after carrying out a sequence of scanning operation.
Confidential 5-5 Black and w hite level data for scanning compensation Fig. 5-1.
Confidential 5-6 1.4.3 Placement of Scanner Unit in Position for Transportation (Function code 06) <Function> This function is to move the scanner unit in pos ition for transportation located at the left end. When you fix the machine and check its operation, you need to perform this function last before packing and shipping.
Confidential 5-7 1.4.5 Test Pattern (Function code 09) <Function> This function prints out a test pattern (Print Quality Check sheet) to allow the service personnel to check the print quality. <Operating Procedure> (1) Press the 0 and 9 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-8 1.4.6 Worker Switch (WSW) Setting and Printout [ 1 ] Worker Sw itch Setting (Function code 10) <Function> The machine incorporates the following worker switch functions which may be activated with the procedures using the control panel buttons.
Confidential 5-9 WSW No. Function Refer to: WSW37 Function setting 15 App. 1-42 WSW38 V.34 transmission settings App. 1-43 WSW39 V.34 transmission speed App. 1-44 WSW40 V.34 modem settings App. 1-45 WSW41 ON-duration of the scanning light source App. 1-47 WSW42 Internet mail se ttings App.
Confidential 5-10 Note: - To cancel this operation and return the mach ine to the initial stage of the maintenance mode during the above procedure, press the Stop/Exit button.
Confidential 5-11 1.4.7 Operational Check of LCD (Function code 12) <Function> This function allows you to check whether the LCD on the control panel works normally. <Operating Procedure> (1) Press the 1 and 2 buttons in this order in the init ial stage of the maintenance mode.
Confidential 5-12 1.4.8 Operational Check of Control Panel Button (Function code 13) <Function> This function allows you to check the control panel button for normal operation. <Operating Procedure> (1) Press the 1 and 3 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-13 1.4.9 ROM Version Check (Function code 25) <Function> This function allows you to check the management information of the software programs such as version information, check sum. <Operating Procedure> (1) Press the 2 and 5 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-14 1.4.10 Drum Unit Cleaning (Function code 31) < Function > This function allows you to remove the dust a ttached on the surface of the exposure drum by using the drum cleaning sheet. < Operating Procedure > (1) Press the 3 and 1 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-15 1.4.11 Operational Check of Sensors (Function code 32) <Function> This function allows you to check each of the sensors. <Operating Procedure> (1) Press the 3 and 2 buttons in this order in the init ial stage of the maintenance mode.
Confidential 5-16 LCD Sensors Sensing status (ON/OFF) DV BC NW FW Develop release sensor Belt cleaner release sensor Waste toner sensor 1 Waste toner sensor 2 Release / Welding Release / Contact Toner.
Confidential 5-17 Location of sensors Fig. 5-8 Fig. 5-9 Toner sensor K (TE) Toner sensor Y (TE) Toner sensor C (TE) Paper feed frame unit T1 PE/edge sensor PCB ASSY T1 PE sensor T1 edge sensor/ T1sens.
Confidential 5-18 Fig. 5-10 Fig. 5-11 MP PE sensor MP registration front sensor MP unit ASSY MP PE/sensor PCB ASSY Registration rear sensor T1 registration front sensor LT Paper feed frame unit LT edg.
Confidential 5-19 1.4 .12 Switching of the USB Transfer Speed in the PictBridge Mode (Function code 45) <Function> This function allows you to change the USB transfer speed in the PictBridge mode. If the digital camera which a user uses cannot be connected in the PictBridge mode, it may be possible by changing the speed setting.
Confidential 5-20 1.4.13 EEPROM Customizing (User-accessible) (Function code 52) <Function> This function allows users to customize the EEPROM settings such as language, function settings or worker switch settings .
Confidential 5-21 1.4.14 Received Data Transfer Function (Function code 53) (MFC-9840CDW only) <Function> This function transfers received FAX data to another machine. It is useful when the machine cannot print received data due to the printing mechanism being defective.
Confidential 5-22 Cover page sample Fig. 5-12 End page sample Fig. 5-13.
Confidential 5-23 1.4.15 Fine Adjustment of Scan Start/End Positions (Function code 54) <Function> This function allows you to adjust the scanning start and end positions with the ADF and FB unit. <Operating Procedure> (1) Press the 5 and 4 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-24 MAINTENANCE ACCEPTED :ADF : FB SCAN ST ART ADJ. + - + - + - Fig. 5-15 2 seconds later button button OK button OK button Stop/Exit button 5 and 4 buttons select or but.
Confidential 5-25 1.4.16 Acquisition of White Level Data and CCD Scanner Area Setting (Function code 55) <Function> This function allows the machine to obtain white level data for the CCD scanner and save it together with the CCD scanner area into the EEPROM on the main PCB.
Confidential 5-26 1.4.17 Adjustment of Color Registration (Maintenance Mode 66) <Function> This function automatically adjusts color r egistration.
Confidential 5-27 (6) In the same way, enter the numeric va lue of the pattern 2, 3, 7, 8, and 9. (7) When you enter the numeric value of the pa ttern 9 (Yellow Right), “SET REGISTRATION/ COMPLETED” is displayed on the LCD. When you press the Stop/Exit button, a buzzer sounds for approx.
Confidential 5-28 1.4.18 Paper Feeding and Ejecting Test (Function code 67) <Function> This function allows you to check that a sheet of paper is fed and ejected correctly by printing the grid pattern on a page, whose interval is 1cm.
Confidential 5-29 1.4.20 EEPROM Customizing (Function code 74) <Function> This function allows you to customize the EEPROM according to language, function settings, and worker switch settings. Note: If you replace the main PCB, be su re to carry out this procedure.
Confidential 5-30 1.4.21 Sensitivity Adjustment of Registration-mark Sensor (Function code 75) <Function> This function makes the registration-mark sens or to adjust its sensitivity compulsory. This function makes the machine to check the surface of the belt unit by using the registration-mark sensor as well.
Confidential 5-31 < During the 1 or 3 adjustments > Error Messages Description Solution REGI_SENS ADJUST Write Err Failure in writing the electron volume to NVRAM Replace the engine PCB ASSY. REGI_SENS ADJUST Belt Left Err The measured data is abnormal when the sensitivity of the left registration-mark sensor is adjusted.
Confidential 5-32 1.4.22 Operational Check of Fans (Function code 78) <Function> This function is to check whether each of fans is operating correctly or not. The following fans are checked. LCD Parts Name Description FU Fuser unit fan Evacuate hot air of the fuser unit.
Confidential 5-33 Location of fans Fig. 5-19 Fuser unit fan (FU) A ir intake fan (AIR) LVPS fan (PS) Drum unit fan (OPC) Exhaust Intake.
Confidential 5-34 1.4.23 Display of the Machine’s Log Information (Function code 80) <Function> The machine may display its log information on the LCD. <Operating Procedure> (1) Press the 8 and 0 buttons in this order in the init ial stage of the maintenance mode.
Confidential 5-35 CTN_CH: Number of times the Cy an toner cartridge has been replaced. CT N_P G1: Number of printed pages with the Cyan toner cartridge. CTN_PG2: Number of times the Cy an toner cartridge has been replaced. MTN_CH: Number of times the Magent a toner cartridge has been replaced.
Confidential 5-36 1.4.24 Error Code Indication (Function code 82) <Function> This function displays an error code of the machine on the LCD. <Operating Procedure> (1) Press the 8 and 2 buttons in this order in the in itial stage of the maintenance mode.
Confidential 5-37 1.4.26 Output of Transmission Log to the Telephone Line (Function code 87) <Function> This function outputs the transmission log (that the machine has stored about the latest transmission) to the telephone line.
Confidential 5-38 2. OTHER SERVICE FUNCTIONS 2.1 Resetting the Periodical Replacement Parts Life 2.1.1 Resetting the Life Counter of the Belt Unit <Function> This function allows you to reset the page count er of the belt unit and increase the number of replacement times by one.
Confidential 5-39 2.1.3 Resetting the Life Counter of the Drum Unit <Function> This function allows you to reset the page count er of the drum unit and increase the number of replacement times by one. <Operating Procedure> (1) Press the 3 and 9 buttons at the same time in the ready state.
Confidential 5-40 2.1.5 Resetting the Life Counter of the MP Paper Feeding Kit <Function> This function allows you to reset the page count er of the MP paper feeding kit and increase the number of replacement times by one. <Operating Procedure> (1) Press the 3 and 9 buttons at the same time in the ready state.
Confidential 5-41 2.2 Develop Roller/ Developing Bias Voltage Counter Reset Function Since print density is likely to become darker as the toner gets older, the developing bias is lowered by degrees (.
Confidential 5-42 2.3 Drum Unit Cleaning Mode <Function> This mode is to remove the dust attached on the exposure drum. When white spots appear on the printout, perform this operation to remo ve the dust by using the drum cleaning sheet. <Operating Procedure> (1) Load the drum cleaning sheet into the MP tray.
Confidential 6-1 CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM Charge High-voltage Power Supply PCB Circuit Diagram (1/4).
Confidential 6-2 Charge High-voltage Power Supply PCB Circuit Diagram (2/4).
Confidential 6-3 Charge High-voltage Power Supply PCB Circuit Diagram (3/4).
Confidential 6-4 Charge High-voltage Power Supply PCB Circuit Diagram (4/4).
Confidential 6-5 Transfer High-voltage Power Supply PCB Circuit Diagram (1/2).
Confidential 6-6 Transfer High-voltage Power Supply PCB Circuit Diagram (2/2).
Confidential 6-7 Low-voltage Power Supply PCB Circuit Diagram.
Confidential 6-8 NCU PCB Circuit Diagram + + - + + + - + R27 4.7k C16 C470 6.3V +5V REF C4 C103 GND U1 BA10358 6 5 7 GND 6B TELSL @C17 C104 @R21 24k @C14 C471 @R15 0 REF R23 3.3k GND @C15 C104 C7 C104 C5 C2.2 50V @C9 C221 @C10 C471 @R8 510 @R19 2.7k @R17 0 GND R16 100k 6B RL1 @R13 3.
Confidential 6-9 Filter PCB Circuit Diagram.
Confidential 6-10 Wiring Diagram (1/2) +5V FRONT_COVER_SEN +24V CLN_REL_SOLn 1 2 1 DX_SOL_n 2 +24V CLN_HLT_SOLn 2 1 +24V Cleaner halt Solenoid +24V REG_SOL_n MP_SOL_n 1 2 EJECT_SEN LED_ON FUSER_THM1 +3.
Confidential 6-11 Wiring Diagram (2/2) + JTAG LCD CPU 300MHz LVDS Panel UART Ethernet (For debug KEY Matrix DEBUG SERIAL TXD/RXD 25.00MHz BEL:08B0-1X1T-03-F MAIN Clock LAN Clock ACON:UBR23-4K5200 LASER Video Clock USB LED:Green/Yellow 28.57296MHz JTAG VIDEO FS_D+ FS_D- (SMSC:LAN91C115) +3.
Confidential App. 1-1 APPENDIX 1 WORKER SWITCH SETTINGS (WSW) This appendix describes the functions of the Wo rker switches, which can be divided into two groups: one is for customizing preferences des igned for the shipping destination (Refer to “1.
Confidential App. 1-2 WSW No. Function Refer to: WSW26 Function setting 4 App. 1-31 WSW27 Function setting 5 App. 1-32 WSW28 Function setting 6 App. 1-33 WSW29 Function setting 7 App. 1-34 WSW30 Function setting 8 App. 1-35 WSW31 Function setting 9 App.
Confidential App. 1-3 The functions and settings for each worker switch (WSW) are described below; < WSW01 > Selector No. Function Setting and Specifications 1 2 Dial pulse generation mode No. 1 2 0 0 : N 0 1 : N+1 1 0 : 10-N 1 1 : N 3 4 Break time length in pulse dialing No.
Confidential App. 1-4 - Selectors 5 and 6: Inter-digit pause These selectors set the inter-digit pause in pulse dialing. (Example: If “1,” “2,” and “3” are dialed when N is set by selectors 1 and 2.
Confidential App. 1-5 < WSW02 > Selector No. Function Setting and Specifications 1 2 Tone signal transmission time length No. 1 2 0 0 : 70 ms 0 1 : 80 ms 1 0 : 90 ms 1 1 : 100 ms 3 4 Min.
Confidential App. 1-6 < WSW03 > Selector No. Function Setting and Specifications 1 CNG detection when sharing a modular wall socket with a telephone 0: A 1: B 2 | 4 Detection time length of PABX* dial tone, required for starting dialing No. 2 3 4 0 0 0: 50 ms 0 0 1: 210 ms 0 1 0: 500 ms 0 1 1: 800 ms 1 0 0: 900 ms 1 0 1: 1.
Confidential App. 1-7 - Selectors 2 through 4: Detection time lengt h of PABX dial tone, required for starting dialing Upon detection of the PABX dial tone for the ti me length set by these selectors, the machine starts dialing. These selectors ar e effective only when both selectors 6 and 7 are set to “1” (Detection).
Confidential App. 1-8 < WSW04 > Selector No. Function Setting and Specifications 1 Earth function in transfer facility (Not used.) 0: Provided 1: Not provided 2 3 Dual tone detection frequency in ICM recording No.
Confidential App. 1-9 < WSW05 > Selector No. Function Setting and Specifications 1 | 3 1st dial tone detection No. 1 2 3 0 0 0: 3.5 sec. wait 0 0 1: 7.0 sec. wait 0 1 0: 10.5 sec. wait 0 1 1: 14.0 sec. wait 1 0 0: 17.5 sec. wait 1 0 1: 21.0 sec.
Confidential App. 1-10 - Selectors 5 and 6: Busy tone detection in automatic sending mode These selectors determine whether or not t he machine automatically disconnects a line upon detection of a busy tone in automatic sending mode. Setting selector 6 to “0” ignores a busy tone so that the machine does not disconnect the line.
Confidential App. 1-11 - Selectors 1 through 3: Redial/Pause button setting and 2nd dial tone detection Selectors 1 2 3 0 0 0 No wait is inserted even if the Redial/Pause button is pressed. 0 0 1 0 1 0 0 1 1 1 0 0 If you press the Redial/Pause button during dialing, the machine will insert wait as defined in the above table.
Confidential App. 1-12 < WSW07 > Selector No. Function Setting and Specifications 1 2 Dial tone frequency band control No. 1 2 0 0: Narrows by 10 Hz 0 1: Initial value 1 0: Widens by 10 Hz 1 1: Widens by 10 Hz 3 Line current detection (Not used.
Confidential App. 1-13 < WSW08 > Selector No. Function Setting and Specifications 1 | 3 1st dial tone detection time length No. 1 2 3 0 0 0: 50 ms 0 0 1: 250 ms 0 1 0: 500 ms 0 1 1: 620 ms 1 0 0: 800 ms 1 0 1: 1.5 sec. 1 1 0: 2.0 sec. 1 1 1: 2.5 sec.
Confidential App. 1-14 < WSW09 > Selector No. Function Setting and Specifications 1 Frame length selection 0: 256 octets 1: 64 octets 2 Use of non-standard commands 0: Allowed 1: Prohibited 3 4 No. of retries No. 3 4 0 0: 4 times 0 1: 3 times 1 0: 2 times 1 1: 1 times 5 T5 timer 0: 300 sec.
Confidential App. 1-15 < WSW10 > Selector No. Function Setting and Specifications 1 DPS switching interfacing with CML 0: No 1: Yes 2 Time length from transmission of the last dial digit to CML ON 0: 100 ms 1: 50 ms 3 Time length from CML ON to CNG transmission 0: 2 sec.
Confidential App. 1-16 < WSW11 > Selector No. Function Setting and Specifications 1 2 Busy tone frequency band control No. 1 2 0 0: Narrows by 10 Hz 0 1: Initial value 1 0: Widens by 10 Hz 1 1: .
Confidential App. 1-17 < WSW12 > Selector No. Function Setting and Specifications 1 2 Min. detection period required for interpreting incoming calling signal (CI) as OFF No. 1 2 0 0: 1500 ms 0 1: 500 ms 1 0: 700 ms 1 1: 900 ms 3 4 Max. detection period for incoming calling signal (CI) being OFF No.
Confidential App. 1-18 < WSW13 > Selector No. Function Setting and Specifications 1 2 Cable equalizer No. 1 2 0 0: 0 km 0 1: 1.8 km 1 0: 3.6 km 1 1: 5.
Confidential App. 1-19 < WSW14 > Selector No. Function Setting and Specifications 1 2 Frequency band selection (lower limit) for incoming calling signal (CI) No. 1 2 0 0: 13 Hz 0 1: 15 Hz 1 0: 23 Hz 1 1: 20 Hz 3 4 Frequency band selection (upper limit) for incoming calling signal (CI) No.
Confidential App. 1-20 < WSW15 > Selector No. Function Setting and Specifications 1 2 Redial interval No. 1 2 0 0: 5 min. 0 1: 1 min. 1 0: 2 min. 1 1: 3 min. 3 | 6 No. of redialings No. 3 4 5 6 0 0 0 0: 16 times 0 0 0 1: 1 times 0 0 1 0: 2 times 0 0 1 1: 3 times | 1 1 1 1: 15 times 7 (Not used.
Confidential App. 1-21 < WSW16 > Selector No. Function Setting and Specifications 1 Not used. 2 ITU-T (CCITT) superfine recommendation 0: OFF 1: ON 3 | 6 Not used.
Confidential App. 1-22 < WSW17 > Selector No. Function Setting and Specifications 1 2 Off-hook alarm No. 1 2 0 0: No alarm 0 1: Always valid 1 0: Valid except when' call reservation' is selected. 1 1: Valid except when' call reservation' is selected.
Confidential App. 1-23 < WSW18 > Selector No. Function Setting and Specifications 1 Not used. 2 3 Detection enabled time for CNG and no tone No. 2 3 0 0: 40 sec. 0 1: 0 sec. (No detection) 1 0: 5 sec. 1 1: 80 sec. 4 5 Not used. 6 Registration of station ID 0: Permitted 1: Prohibited 7 8 Tone sound monitoring No.
Confidential App. 1-24 < WSW19 > Selector No. Function Setting and Specifications 1 | 3 First transmission speed choice for fallback 4 | 6 Last transmission speed choice for fallback No.
Confidential App. 1-25 < WSW20 > Selector No. Function Setting and Specifications 1 EP* tone prefix 0: OFF 1: ON 2 Overseas communications mode (Reception) 0: 2100 Hz 1: 1100 Hz 3 Overseas communications mode (Transmission) 0: OFF 1: Ignores DIS once.
Confidential App. 1-26 - Selectors 8: Limitation on CNG detection If this selector is set to “1,” the machine detects a CNG signal according to the condition preset by selectors 2 and 3 on WSW18 after a li ne is connected. If it is set to “0,” the machine detects a CNG signal as long as the line is connected.
Confidential App. 1-27 < WSW22 > Selector No. Function Setting and Specifications 1 ECM* in sending 0: Valid 1: Invalid 2 ECM* in receiving 0: Valid 1: Invalid 3 Call Waiting Caller ID 0: Displayed 1: Not displayed 4 Not used. 5 | 8 Acceptable TCF bit error rate (%) (Only at 4800 bps) (Not used.
Confidential App. 1-28 < WSW23 > Selector No. Function Setting and Specifications 1 Starting point of training check (TCF) 0: 0 From the head of a series of zeros 1: From any arbitrary point 2 3 Allowable training error rate No. 2 3 0 0: 0 % 0 1: 0.
Confidential App. 1-29 < WSW24 > Selector No. Function Setting and Specifications 1 2 Maximum OGM recording time No. 1 2 0 0: 15 sec. 0 1: 20 sec. 1 0: 30 sec. 1 1: 50 sec. 3 4 Time length from CML ON to start of pseudo ring backtone transmission No.
Confidential App. 1-30 < WSW25 > Selector No. Function Setting and Specifications 1 2 External TAD no-tone detection start delay time No. 1 2 0 0: 0 sec.
Confidential App. 1-31 < WSW26 > Selector No. Function Setting and Specifications 1 2 Not used. 3 Dialing during document reading into the temporary memory in in-memory message transmission 0: Disable 1: Enable 4 5 No.
Confidential App. 1-32 < WSW27 > Selector No. Function Setting and Specifications 1 Not used. 2 Ringer OFF setting 0: Yes 1: No 3 Automatic playback of OGM when switched to the TAD mode 0: No 1: Yes 4 Detection of distinctive ringing pattern 0: Yes 1: No 5 Not used.
Confidential App. 1-33 < WSW28 > Selector No. Function Setting and Specifications 1 | 3 Transmission level of DTMF high-band frequency signal No. 1 2 3 0 0 0: 0 dB 0 0 1: +1 dB 0 1 0: +2 dB 0 1 1: +3 dB 1 0 0: 0 dB 1 0 1: -1 dB 1 1 0: -2 dB 1 1 1: -3 dB 4 | 6 Transmission level of DTMF low-band frequency signal No.
Confidential App. 1-34 < WSW29 > Selector No. Function Setting and Specifications 1 | 3 Compression threshold level for voice signals inputted via the telephone line in the built-in TAD operation No. 1 2 3 0 0 0: -47.0 dBm 0 0 1: -48.5 dBm 0 1 0: -50.
Confidential App. 1-35 < WSW30 > Selector No. Function Setting and Specifications 1 | 3 Dial tone/busy tone detection level during recording of ICM (Not used.) No. 1 2 3 0 0 0: -38.0 dBm 0 0 1: -39.5 dBm 0 1 0: -41.0 dBm 0 1 1: -42.5 dBm 1 0 0: -44.
Confidential App. 1-36 < WSW31 > Selector No. Function Setting and Specifications 1 Not used. 2 Default reduction rate for failure of automatic reduction during recording 0: 100 % 1: 75 % 3 Not used.
Confidential App. 1-37 < WSW32 > Selector No. Function Setting and Specifications 1 | 4 Not used. 5 6 Default resolution No. 5 6 0 0: Standard 0 1: Fine 1 0: Super fine 1 1: Photo 7 8 Default contrast No.
Confidential App. 1-38 < WSW33 > Selector No. Function Setting and Specifications 1 | 3 Detection threshold level of “no tone” during recording of ICM No.
Confidential App. 1-39 < WSW34 > Selector No. Function Setting and Specifications 1 | 3 Erasing time length of ICM tone recorded preceding the tone detection starting point in the case of automatic line disconnection due to no voice signal received No.
Confidential App. 1-40 < WSW35 > Selector No. Function Setting and Specifications 1 | 4 Max. detection period of dial tone/busy tone during recording of ICM No. 1 2 3 4 0 0 0 0: No detection 0 0 0 1: 1 sec. 0 0 1 0: 2 sec. 0 1 0 0: 4 sec. | 1 1 1 1: 15 sec.
Confidential App. 1-41 - Selector 1: ECP mode (Not used.) The ECP mode enhances the normal bidirectional communications between the machine and the connected PC for higher transmission speed. - Selector 2: Recovery from In active PC Interface (Not used.
Confidential App. 1-42 < WSW37 > Selector No. Function Setting and Specifications 1 Printout of the stored image data of an unsent document onto an error report 0: No 1: Yes 2 Erasure of the stored image data of an unsent document at the time of the subsequent in- memory message transmission 0: No 1: Yes 3 | 8 Not used.
Confidential App. 1-43 < WSW38 > Selector No. Function Setting and Specifications 1 2 Setting of the equalizer No. 1 2 0 0: Automatic 0 1: Automatic 1 0: Fixed to 4 points 1 1: Fixed to 16 point.
Confidential App. 1-44 - Selector 8: Detection of CED for stopping CNG If this selector is set to “0,” the detection ti me of CED specified by WSW43, selectors 4 and 5 will apply. < WSW39 > Selector No. Function Setting and Specifications 1 | 4 First transmission speed choice for fallback No.
Confidential App. 1-45 < WSW40 > Selector No. Function Setting and Specifications 1 2 Not used. Not masking Masking 3 | 8 Masking of symbol rate(s) No. 3 No. 4 No. 5 No. 6 No. 7 No. 8 0 0 0 0 - 0 1 1 1 1 - 1 3429 symbols/sec 3200 symbols/sec 3000 symbols/sec 2800 symbols/sec Not used.
Confidential App. 1-46 Symbol rate Transmission speed (bps) Symbol rate Transmission speed (bps) Symbol rate Transmission speed (bps) 2400 2,400 4,800 7,200 9,600 12,000 14,400 16,800 19,200 21,600 30.
Confidential App. 1-47 < WSW41 > Selector No. Function Setting and Specifications 1 | 3 ON-duration of the scanning light source at room temperature No. 1 2 3 0 0 0: 30 min. 0 0 1: 120 min. 0 1 0: 90 min. 0 1 1: 60 min. 1 0 0: 45 min. 1 0 1: 15 min.
Confidential App. 1-48 < WSW42 > Selector No. Function Setting and Specifications 1 Access to the incoming mail (POP3) server (Periodical or on-demand) (Not used.) 0: OFF 1: ON 2 Access to the outgoing mail (SMTP) server 0: OFF 1: ON 3 I-FAX relay (Not used.
Confidential App. 1-49 < WSW44 > Selector No. Function Setting and Specifications 1 | 5 Copying speed control No. 1 2 3 4 5 0 0 0 0 0: Max. 0 0 0 0 1: 1cpm | 1 1 1 1 1: 31cpm 6 | 8 Effective time length of the white level compensation data obtained beforehand No.
Confidential App. 1-50 < WSW45 > Selector No. Function Setting and Specifications 1 | 3 Delay time from when documents are set until the ADF starts drawing them in No. 1 2 3 0 0 0: No automatic drawing-in 0 0 1: 1 sec. 0 1 0: 2 sec. 0 1 1: 3 sec.
Confidential App. 1-51 - Selector 7: Standby position of the CCD unit This selector determines whether the standby position of the CCD unit should be the home position or the location of the white-level re ference film (attached to the inside of the scanner top cover).
Confidential App. 1-52 < WSW47 > Selector No. Function Setting and Specifications 1 Handling paper at the occurrence of a paper feed timing error (Not used.) 0: Eject paper w/o print 1: Print on the current paper 2 Not used. 3 4 Delay of FAX line disconnection when switching to the pseudo- ringing external telephone No.
Confidential App. 1-53 < WSW48 > Selector No. Function Setting and Specifications 1 2 Not used. 3 | 5 Number of network TWAIN PCs registered for each application No. 3 4 5 0 0 0: 25 PCs 0 0 1: 50 PCs 0 1 0: 75 PCs 0 1 1: 100 PCs 1 0 0: 125 PCs 1 0 1: 150 PCs 1 1 0: 175 PCs 1 1 1: 200 PCs 6 | 8 USB setup latency (Not used.
Confidential App. 1-54 < WSW49 > Selector No. Function Setting and Specifications 1 2 RAM disc size in PCL/ PS No. 1 2 0 0: None 0 1: 1MB 1 0: 2MB 1 1: 4MB 3 End-of-copying beep 0: Yes 1: No 4 5 Command flag detection time No. 4 5 0 0: 150 ms 0 1: 350 ms 1 0: 550 ms 1 1: 750 ms 6 7 CCD unit warm-up time adjustment (Not used.
Confidential App. 1-55 < WSW50 > Selector No. Function Setting and Specifications 1 2 Percentage voltage for interpreting the external telephone as being hooked up (based on the network's standard voltage) No.
Confidential App. 1-56 < WSW51 > Selector No. Function Setting and Specifications 1 Output of communications error report when transmission verification report is disabled 0: Enable 1: Disable 2 CR motor torque variation reduction control (Not used.
Confidential App. 1-57 < WSW52 > Selector No. Function Setting and Specifications 1 | 3 Cordless handset microphone level and echo cancellation ON/OFF No.
Confidential App. 1-58 < WSW53 > Selector No. Function Setting and Specifications 1 2 Not used. 3 4 Caller ID (number display) FSK receiving timing delay setting No. 3 4 0 0: 0 ms 0 1: 100 ms 1 0: 150 ms 1 1: 200 ms 5 6 Caller ID (number display) instantaneous interrupt detection time setting No.
Confidential App. 1-59 < WSW54 > Selector No. Function Setting and Specifications 1 2 PictBridge command delay time No. 1 2 0 0: 100 ms (default) 0 1: 0 ms 1 0: 50 ms 1 1: 200 ms 3 More CNG dete.
Confidential App. 1-60 - Selector 8: Sw itching between DTMF and FSK for caller ID reception (Not used) If a caller ID (number display) cannot be rece ived, switch from DTMF to FSK. This operation can also be performed by means of the menu, by switching between DTMF and FSK.
Confidential App. 1-61 < WSW57 > Selector No. Function Setting and Specifications 1 | 3 Caller ID judgment voltage (to be distinguished from rings) (Not used.) No. 1 2 3 0 0 0: 0 V 0 0 1: 5 V (Default) 0 1 0: 10 V 0 1 1: 15 V 1 0 0: 20 V 1 0 1: 25 V 1 1 0: 30 V 1 1 1: Max.
Confidential App. 1-62 < WSW58 > Selector No. Function Setting and Specifications 1 | 3 Prevention of line interrupt during ICM recording (ratio of guard tone response time to call end tone ON time) (Not used.
Confidential App. 1-63 < WSW60 > Selector No. Function Setting and Specifications 1 | 8 Not used. < WSW61 > Selector No. Function Setting and Specifications 1 | 4 Change rate of the CCD scanning light intensity to judge to be stable in the long time mode No.
Confidential App. 1-64 < WSW62 > Selector No. Function Setting and Specifications No. 1 2 3 4 Change rate for simple compensation Change rate for regular compensation 1 | 4 Change rate of the CC.
Confidential App. 1-65 Change rate for regular compensation: Change rate when compensating the pages with moving the CCD unit to the designated position for scanning of the compensati on data and obtaining the data actually. For duplex scanning, this setting is not used since the machine takes the compensation data of every page again.
Confidential App. 2-1 APPENDIX 2 DELETION OF PERSONAL INFORMA TION The personal information in the machine is recorded in the EEPROM on the main PCB. It cannot be deleted all by a single operation. Us e Function code 01 in the maintenance mode, unplug the AC cord from the electrical outlet, and disconnect the backup battery.
Confidential App. 2-2 [ 3 ] Restoring the netw ork settings The procedure below allows you to return t he LAN settings to the factory setting values. <Operating Procedure> (1) Press the Menu button. Next press the or button to select “LAN”. Press the OK button (2) Press the or button to select “Factory Reset”.
Confidential App.3-1 APPENDIX 3 SERIAL NUMBERING SYSTEM Each machine has a serial number label for the machine itself and property labels for some other parts. Refer to the information below fo r the meaning of the serial number and property codes and the location of each label.
Confidential App.3-2 Waste toner box serial label C L C F 7 J 0 0 0 0 0 1 Z CLC F Z 7 J 0 0 0 0 0 1 Unique information Serial number (6-digit) Unit type Model type C: AC Manufacturing factory No.
Confidential App.3-3 Belt unit serial label B L C F 7 J 0 0 0 0 0 1 Z BL C F Z 7 J 0 0 0 0 0 1 Serial number (6-digit) Unit type Model type C: AC Manufacturing factory No.
Confidential App.3-4 Toner cartridge(K, Y, M, C) and Drum unit serial label TKCM7JA000001ELR1 189 T oner filling amount (A D, 5) Part code Model type C: AC Assembly line number Serial number (6-digit) Unit type DR: Drum unit TM: T oner unit Magenta TC: T oner unit Cyan TY : T oner unit Y ellow TK: T oner unit Black Manufacturing factory No.
Confidential App.4-1 APPENDIX 4 SCREW CA T ALOGUE T aptite, bind B M4x12 T aptite, bind B M3x8 T aptite, bind B M3x10 T aptite, bind B M3x12 T aptite, bind B M4x10 T aptite, bind S M3x6 T aptite, cup .
Confidential App.4-2 Screw pan (S/P washer) M3x6 Screw flanged M3x3.5 Screw pan (S/P washer) M4x8 Screw pan (S/P washer) M3.5x6 T aptite, B M3x6 T aptite, pan B M3x8 Screw flanged Screw pan (S/P washe.
Confidential App.5-1 APPENDIX 5 HOW TO MAKE THE DRUM UNIT REMOVE SHEET Make the drum unit remove sheet following t he procedures below and use it when packing the drum unit.
Confidential App.5-2 (3) Align those two sheets of paper with the ma rking lines on the drum unit remove sheet and attach them. Fig. App5-3 Marking line Marking line * A4 or letter-size paper * A3 or .
Confidential App.6-1 APPENDIX 6 REFERENCES This page provides reference information. It is possible to get the full instructions of the subjects listed by just clicking on the links below. 1. Error codes (Refer to “2.1 Error Indication”, Chapter 1 of the Service Manual .
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