Benutzeranleitung / Produktwartung 4101mfp des Produzenten HP (Hewlett-Packard)
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hp L ase rJet 4100mfp 4101mfp ser v ice addendum.
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hp LaserJet 4 100mfp ser ies ser v ic e adde n du m.
Hewlett-P ac kard Company 11311 Chinden Boule vard Boise, Idaho 83714 U.S. A. Copyright I nformation © 2002 Hewlett-P ackard Company All Rights Reserved. Reproduction, adaptation, or translation without prior w ritten permiss ion is prohibited, except as allowed under the copyright laws .
C9148-90 909 T a ble o f cont ents 3 T ab le of contents List of figures List of tables 1 Product Information Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Product c onfiguratio ns . .
4 Table of conten ts C9148-909 09 Layout an d operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Walk-up c opy display .
C9148-90 909 T a ble o f cont ents 5 Scanner c ontroller bo ard conn ectors . . . . . . . . . . . . . . . . . . . . . . . 62 Intermed iate PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Power supp ly . . . . .
6 Table of conten ts C9148-909 09 7 Troubleshooting Troubleshoo ting proces s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Prelim inary operat ing chec ks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 Installa tion conditi ons .
C9148-90 909 T a ble o f cont ents 7 8 Parts and di agrams Orderin g parts, su pplies and g etting sup port. . . . . . . . . . . . . . . . . . . . . . 144 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Table of conten ts C9148-909 09.
C9148-90 909 List of figure s 9 List of figures Figure 1. Model a nd serial n umber label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 2. Product p arts (front v iew; right sid e) . . . . . . . . . . . . . . .
10 List of fi gures C9148-909 09 Figure 50 . Gently pry the top edge of the left-side cover. . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Figure 51 . Remove the scan-u nit left-si de cover . . . . . . . . . . . . . . . . . . . . . . . . . . .
C9148-90 909 List of tables 11 List of tab les Table 1. Physical specific ations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 2. Performan ce . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 List of ta bles C9148-9 0909.
C9148-90 909 1 Prod uct Informati on 13 1 Product Inf or mation Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Product c onfigurations . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 Produc t Information C9148-9 0909 Introduction With the H P L aserJet 4100 ser ies multifun ction pr inter (MFP), a wo rkgroup ca n pri nt, make copies, and send digi tal docu ments us ing a sin gle device. Multiple f unction s can occ ur simulta neously in the MFP .
C9148-90 909 1 Prod uct Informati on 15 Pr od uct features Pr oduct speed and thr oug hput ● copying of letter-s ize media at 25 pages per minute (pp m) or A4-size med ia at 24 pp m ● monochr ome .
16 Produc t Information C9148-9 0909 Expa ndabl e des ign ● stackable 500-shee t tra y s (up to t wo additional tra ys c an be adde d to the HP LaserJ et 4100mfp, and one addi tional tray can be ad .
C9148-90 909 1 Prod uct Informati on 17 Note T esting per Inte r national S tandard Organizat ion (ISO) 9296. Note “ Operating ” means that the produ ct is c op yi ng and pr intin g continuousl y at 25 ppm . V alues are subjec t to chang e. See http://www .
18 Produc t Information C9148-9 0909 Media specifications Note This se ction refers to the MFP only . Se e the HP LaserJe t 4100 seri es printe r ser vice manua l f or pri nting speci fications, or see t he Print Media Guide for the HP Las erJet prin ter family f or general requireme nts.
C9148-90 909 1 Prod uct Informati on 19 Model and serial numbers The mod el number a nd ser ial number are list ed on an identific ation la bel lo cated unde r neath the control pa nel door .
20 Produc t Information C9148-9 0909 Pr od uct o ve rview Fr ont view Figure 2. Product parts (fr ont view; right side) 1 automa tic docu ment feeder (ADF) input (w ith slid ing media guides) 2 ADF co.
C9148-90 909 1 Prod uct Informati on 21 Ba ck v i ew Figure 4. Product par ts (back view) 1 ADF connecto r ca b le 2 straight-thro ugh outp ut door 3 power connect ion (from p ower source to pr int u .
22 Produc t Information C9148-9 0909.
2 Ser vice approac h 23 2 Ser vice approach Service app roach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Major a ssemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Contact HP .
24 Servic e appr o ach C9148-9 0909 Service approach Repair o f the pr inter nor mal ly begins with a thr ee-step pr ocess: 1 Isolate th e problem to th e major system (th e host computer, the network an d/or ser ver , or MFP major assemblies).
C9148-90 909 2 Ser vice ap proach 25 Conta c t HP Wo r l d W i d e W e b Pr inter dr ivers , updated HP pri nter software, and prod uct and s uppor t infor mation c an be obtained from the following websites: ● U .S., http:/ /www .hp .c om/suppo r t/lj4100 ● Europe, http://www .
26 Servic e appr o ach C9148-9 0909.
3 Operati on 27 3 Oper ation Using th e ADF unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 General g uideline s for usin g the ADF unit . . . . . . . . . . . . . . . . . . . 28 Using th e glass . . . . . . . . .
28 Operation C9 148-9090 9 Using the ADF unit The auto matic docum ent feeder (ADF) is a fast, conv eni ent wa y to f e ed multiple -page or igin als f o r copying or dig ital-sendi ng.
C9148-90 909 3 Operati on 29 Using the glass Y ou can also use the d igital-se nding and cop ying features b y usi ng the gla ss, located below the ADF . Th e glass can accomm odate l etter- or A4-size and s maller or igin als, books, manual s, receip ts, and simila r docume nts.
30 Operation C9 148-9090 9 Using the con tr o l panel Lay out and operation Figure 8. Control panel 1 ? (Help): p rovides Help f iles that contai n informatio n about the control -panel di splay when problems oc cur .
C9148-90 909 3 Operati on 31 Navigat ion By press ing the a rrow na v igation buttons, you ca n shift focus between ob jects on the control - panel di splay to descri be the doc ument to be handled a nd the acti ons to be performed. A bold border around a graphic obje ct or a reverse video effect in a text list indic ates the c urrent f o cus.
32 Operation C9 148-9090 9 Menus The HP L aserJet 41 00mfp ser ies us es a syste m of contr ol-panel m enus to set j ob paramete rs, set system defaults, and mana ge product p erf o rm ance and f e atures.
C9148-90 909 3 Operati on 33 Menu map The menu m ap is a graphic al repres entation of the MFP menus. Press the MENU button on th e control p anel t o gain ac cess to th e main m enu display . F or mor e inform ation abo ut navigating the menus, see “ Navigation ” on pag e 3 1 .
34 Operation C9 148-9090 9 Figure 12. MFP menu map 2 of 2 Menu map , contin ued.
C9148-90 909 4 Mai ntenance 35 4 Maintenance Cleaning the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 General g uideline s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Running t he cleaning page .
36 Maintenan ce C9148-9 0909 Cleaning the pr o duct Gen eral g uidel ines P erform the f ollowing c leaning p rocedures whe n you change th e pr int car tridge o r when pr int- quality problems occu r . T o mi nimize problems, keep the pr oduct free from dust an d debr is.
C9148-90 909 4 Mai ntenance 37 Running the cleaning page Run the cl eaning pag e to keep the fu ser free of t oner and pa per par ti cles. Accumulati on of toner and par ticles can cause s pecks to app ear on the fr ont-side o r back-side o f your jobs.
38 Maintenan ce C9148-9 0909 Figure 14. Remove the clear plastic shee t 4 Use a clean , soft, dr y cl oth to wipe the surface of the cle ar plastic s heet (do not u se an ammonia b ased clean er .
C9148-90 909 4 Mai ntenance 39 User-replaceable parts Replacing user -replace able parts T o ens ure that th e product ma intains optimal per f o rm ance, replace ce r tain pa r ts when the Perform Printer Maintenance message appears on t he produc t control- panel di splay .
40 Maintenan ce C9148-9 0909 HP JetDirect n etwork card T o locate the HP JetDire c t network card, see “ Ba ck vie w ” on page 21 . User replaceab le. As required. Memory DIMM T o locate the memo r y DIMM, see “ Cop y processo r board ” on page 57 .
C9148-90 909 4 Mai ntenance 41 Updating p r od uct firmware Downloading a rem ote firmware update The HP LaserJet 41 00mfp pro duct suppor ts remote fir mware updates ( RFUs).
42 Maintenan ce C9148-9 0909 Using HP W eb JetAdmin (single update) Note This pr ocedure r equires Web JetAdm in version 6.1 or later . Download th e update from the website http://www .hp.com/go/lj 4100_f irmware and f ollow the steps be low to update a s ingle MFP product.
C9148-90 909 4 Mai ntenance 43 Windows parallel connection (local printer) Note Download the up date from the website http:/ /www .hp .com/go/l j4100_fir mware a nd f ol low the steps b elow to upda te the fir mware on a non-share d loca l prin ter .
44 Maintenan ce C9148-9 0909 T roubleshooting RFU installatio n RFU inst allat ion e rror messag es The following mess ages ca n appea r on the cont rol-pan el display if t he installa tion is i nterr upted f o r some rea son. T u rn the MFP power off, and then b ack on again.
C9148-90 909 4 Mai ntenance 45 P erforming hard-drive disk initialization Before performing hard-dr ive initializa tion, pr int the following MFP informatio n pages. Use t hese pages to reset any m enu settings tha t the user has cha nged from f actor y de f a ults.
46 Maintenan ce C9148-9 0909 NVRAM initia li za tion NVRAM initializ ation sho uld be per f or med immedia tely after replacin g the forma tter boar d.
C9148-90 909 4 Mai ntenance 47 Calibration P erforming automatic Cali bratio n The MF P can be automat ically c alibrated to register scanned images c orrectly . When CALIBRATE SCANNER is selec ted from th e diagnostic menu, the MFP pri nts a calibrati on target page.
48 Maintenan ce C9148-9 0909 P erf orming man ual calibratio n Manual cal ibration provid es precis e control o f imag e placement. V er tical an d horizonta l image registr y for both the ADF and th e glass ca n be set i ndividuall y .
C9148-90 909 4 Mai ntenance 49 Center adjust ment for the ADF Hint It might b e helpful to reset t he product s ettings to f ac tor y defaults before attempti ng manual calibrat ion.
50 Maintenan ce C9148-9 0909 Side-edge adjustment for the glass Hint It might be helpful t o reset the p roduct setting s to factory def ault s bef ore attempting m anual calibrati on.
C9148-90 909 5 Theor y of operation 51 5 Theor y of operation Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52 Theory of operatio n C9 148-9090 9 Introduction This ch apter presents an ov erview of the relati onships between maj or components in the MFP . It also pr ovides a gen eral descr iptio n of the fo.
C9148-90 909 5 Theor y of operation 53 Light-con version pr ocess When the charged couple d e vi ce rece ives the reflect ed light, it photo-elec trica lly converts the light to three anal og signa ls (red-green- b lue, or RG B).
54 Theory of operatio n C9 148-9090 9 General descripti ons This sec tion des cribes the indivi dual MF P compon ents and th eir roles i n the sca nning proce ss. Figure 18 illustrates the r elationshi p between the MFP com ponents. Fi gure 19 ill ustrates the flatbe d-assembly co mponent lo catio ns.
C9148-90 909 5 Theor y of operation 55 Scan-unit components Figure 19. Scan-unit component s 1 2 3 5 7 6 4 8 9 10 11 1 2 3 5 7 6 4 8 9 10 11 1 intake fan 2 inv e r ter cont rol PC B 3 ADF door- open s.
56 Theory of operatio n C9 148-9090 9 ADF components Figure 20. AD F - u ni t com p o ne nts 7 8 1 2 4 3 6 5 8 1 2 4 3 6 5 8 9 7 1 ADF sepa ration rolle r 2 ADF p ickup roller 3 ADF pi c ku p sol enoi.
C9148-90 909 5 Theor y of operation 57 Copy pr o cessor board This sec tion descr ibes th e operation o f the copy processor bo ard (CP B) dur ing nor mal opera tion of the MF P . This descr iption i s more deta iled than the CPB tr oubleshooting chapter in this manual.
58 Theory of operatio n C9 148-9090 9 The CPB controls the f o llowing sca nning-proc ess contr ol signals : ● ADF uni t and scan un it operatio n • directs th e scanne r control ler board a bout .
C9148-90 909 5 Theor y of operation 59 Copy pr ocesso r board LEDs The CP B has four light- emitting diodes (LEDs) that ca n be viewed when you f ace th e back of the MFP (c allout 1 ). These LEDs ill uminate in speci fic patte rn s depen ding on the CPB status during initial ization (i nitializa tion occ urs when power to th e MFP is tur ned on).
60 Theory of operatio n C9 148-9090 9 ON ON OFF ON ● Commu nication is es tabli shed bet ween the MIPS processor and th e PCI bridge . OFF ON OFF O N ● Commu nication is es tabli s hed between the MIPS processor an d the FP GA. OFF OFF OFF ON ● The FPGA SRAM is chec ked.
C9148-90 909 5 Theor y of operation 61 Scan ner co ntrolle r bo a rd The sc anner contr oller board co ntrols the o peration of flatbed and ADF component s used i n the following scanning processe s: docum ent transpor tation, doc ument exposure, and imaging.
62 Theory of operatio n C9 148-9090 9 Scanner contr oller board connectors Figure 23. Scanner controller board connectors (sh iel d off) J1201 J1202 J1203 Scanner controller with the shield on J1208 J1206 J1205 J1207 J 1209 PI1201 J1210 T able 10.
C9148-90 909 5 Theor y of operation 63 Interm ediate PCB The inte rmed iate PCB c onnects th e copy processor boar d and the ADF to the scanne r controll er board. P ower supply The power suppl y conv er ts ac power from th e source inl et (power cord) to l ow-v oltag e dc power .
64 Theory of operatio n C9 148-9090 9 P ower - supply b lock dia gram Figure 24. Power-supply block diagram.
C9148-90 909 5 Theor y of operation 65 Optical unit The optical un it consists of th e optical unit chassis, the scanning la mp , t he CCD driver PCB, and the optic al-unit motor . Wh en the power is tur ne d on, the s canner con troller bo ard activates the optical -unit mo tor , and the unit begi ns to move along the rail s.
66 Theory of operatio n C9 148-9090 9 In ver t e r PC B The inv er ter PCB p rovides the cur rent and voltage ph ase the s canning lam p requires. Scann ing lam p The scanni ng lamp illum inates the sourc e document , which causes reflected ligh t from the gla ss to be dir ected to the CCD dri v er PCB for document ima ging.
C9148-90 909 5 Theor y of operation 67 ADF document-feed system Overvie w The ADF d ocument- f eed sys tem detects the presen ce of a s ource docu ment in the document tra y , p icks up the doc ument and t ranspor ts it th rough the ADF paper path, and the n delivers the source do cumen t to the ADF o utput.
68 Theory of operatio n C9 148-9090 9 ADF co ver sensor ( PS10) The ADF d oor-ope n sensor (PS10) de tects ADF door st atus (open or closed ). If the AD F door i s opened, a FLATBED COVER OPEN mes sage appe ars on th e control-pan el display .
C9148-90 909 6 Removal and repl acement 69 6 Remo v al and replacement Removal and replaceme nt strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Required to ols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
70 Remova l and re placemen t C9148-909 09 Remo val and replacemen t strateg y This cha pter docu ments the removal and replaceme nt of fie ld replaceable units (FRUs) only . Reinstal lation is generally t he rev ers e of removal. Occa sionall y , n otes are include d to provide directi ons for difficult or cri tical replac ement pr ocedures.
C9148-90 909 6 Removal and repl acement 71 Common fastener s T able 12. Common fasteners f ound in the MFP Illustration and description Black self-ta pping Phi llips-he ad screw Silver self-ta ppi ng .
72 Remova l and re placemen t C9148-909 09 P ar ts remov al order Use the f ollowing diagram to deter mine the or der in which par ts must be remov e d (scan unit and ADF units onl y).
C9148-90 909 6 Removal and repl acement 73 User-replaceable parts ADF in put tray 1 Open the ADF cover . Gently pr y the inpu t-tra y hinge pin ( located tow ards the front of th e MFP; cal lout 1) out of its pivot hole. CA UTION The hin ge pin can easi ly be snap ped off o f the input tra y if too much pres sure is applied.
74 Remova l and re placemen t C9148-909 09 ADF pickup r oller 1 Open the ADF cover (callout 1 ). 2 Pull the plastic tab (call out 2) to rel ease the lower edge of the ro ller shiel d. Figure 31. Release the roller s hield 3 Release t he roller shield fro m the two smal l pins (c allout 3), a nd remove it from the p roduct.
C9148-90 909 6 Removal and repl acement 75 4 Slide th e roller toward the ge ar end. G ently pr y th e roller-s haft locking tab ( callout 4) aw ay from the roller . Rem ov e the ADF pickup roller . Figure 33. Remov e the ADF pickup roller Hint When re placing the roller , v er ify that th e roller gear and dr ive gear are pr operly meshed.
76 Remova l and re placemen t C9148-909 09 ADF separation r oller 1 Open the ADF cover , and remove the rolle r shield. S ee “ ADF pickup roller ” on page 74 . 2 Slide th e roller toward the gear end. G ently pr y th e roller-sh aft locking tab ( callout 1) aw a y from the ro ller .
C9148-90 909 6 Removal and repl acement 77 ADF separation pad 1 Open the ADF cover . 2 Press an d release t wo separation locking tabs ( callout 1; shown already releas ed). 3 Rotate the separation pad until it is per pen dicular to the produ ct. 4 Release the separat ion-pad ar ms (callout 2 ) by gently pressi ng them toward the A DF cov er .
78 Remova l and re placemen t C9148-909 09 ADF unit 1 Disconn ect the AD F cable (callout 1). Figure 37. Disco nnect the ca ble 2 Open the ADF unit , and lift it s traight up and off of the s can unit.
C9148-90 909 6 Removal and repl acement 79 Assemblies and co vers Control-panel door 1 Open the control- panel door, and remov e the pr int car tr idge. Cover the pr int car tr idge to keep it out of d irect light; s ee the HP L aserJet 4100 s eries printe r ser vice ma nual f or print- car tr idge in f o rm ation.
80 Remova l and re placemen t C9148-909 09 5 Remov e one screw (callout 4 ), and di sconnect th e top edge o f the groundi ng str ip . Figure 41. Disconnect the control-panel grounding strip 6 Disconn ect the co ntrol-pane l-cable connec tor (cal lout 5).
C9148-90 909 6 Removal and repl acement 81 8 Flex the left ar m (c allout 7) t o the r ight (inward), and move the contr ol-panel d oor toward the rig ht side of the product until the ar m releases. S lide the con trol-panel door toward the left, and rem ov e it f rom the pr oduct.
82 Remova l and re placemen t C9148-909 09 Scan-unit right- side co ver Note If a dup le x access or y is ins talle d, remove it to acce ss the r ight-si de cover mounting screw . 1 Remov e one screw (callout 1 ) from the p lastic t ab on the s can-unit r ight-sid e cov er .
C9148-90 909 6 Removal and repl acement 83 Copy pr o cessor board 1 Remov e the sc an-unit r ight-side cov er . See “ Sc an-unit r ight-sid e cov er ” on page 82 . 2 Unplug the ADF co nnector cable (callout 1) and remove two screws (call out 2). Figure 47.
84 Remova l and re placemen t C9148-909 09 Scan-unit left-si d e co ver Note If a dup le x access or y is ins talle d, remove it to acce ss the r ight-si de cover mounting screw . 1 Remov e one screw (callout 1 ) from the s can-unit l eft-side cover .
C9148-90 909 6 Removal and repl acement 85 3 Pull the cov e r downward and aw ay from the left side of the p roduct. Lift the cover up to release i t, and then remov e it from the produ ct.
86 Remova l and re placemen t C9148-909 09 Intake fan filter 1 Remov e the scan-u nit left- side cover . See “ S can-unit le ft-side cover ” on page 84 .
C9148-90 909 6 Removal and repl acement 87 Forma tter ca g e 1 Grasp the ba ck edge (callout 1 ) of the forma tter-cage c ov er. 2 Pull the cov e r toward the back of the prod uct, and r emov e it. Figure 53. Remov e the formatter -cage cover 3 Remov e two screws (callou t 2).
88 Remova l and re placemen t C9148-909 09 5 T wist th e f or matter awa y from th e right s ide of the pr oduct, an d unplug th e high-spe ed copy conne ct cable (call out 4).
C9148-90 909 6 Removal and repl acement 89 Scan unit 1 Remo v e t he fo llowi ng cov ers an d asse mbli es: • ADF unit. S ee “ ADF unit ” on page 7 8 . • scan-uni t ri ght-side an d left-side cov er s. See “ Scan-u nit r ight-side cov er ” on page 82 through “ S can-unit l eft-side cover ” on page 84 .
90 Remova l and re placemen t C9148-909 09 5 Disconn ect the scan unit cable (ca llout 2) und er the gl ass. Figure 58. Disco nnect the sc an unit cable 6 F ace the front of th e product, a nd remov e two screws (callou t 3). 7 Slide th e scan un it toward the back of the prod uct, and r emov e it.
C9148-90 909 6 Removal and repl acement 91 Printing-unit top cover 1 Remov e the sc an unit. S ee “ Scan unit ” on p age 89 . 2 Open the rear output door . 3 Remov e two screws (cal lout 1) from the back of the prod uct. Figure 60. Remove the top-cover rear-mounting screws 4 F ace th e front of the product, and open the control-pan el door .
92 Remova l and re placemen t C9148-909 09 Glass Note It is not n ecessar y to rem ov e the scan uni t from the pr int u nit (as sh own) to remove the glass. 1 Remo v e t he ADF as semb ly . See “ ADF un it ” on page 78 . 2 Remov e three scre ws (callout 1).
C9148-90 909 6 Removal and repl acement 93 Scanning lamp 1 Remov e the gl ass. See “ Glass ” on page 92 . CA UTION Do not t ouch the l amp , because s kin oils ca n create h ot spots. Do not touch the m irror , because finger pr ints will affe ct print qual ity .
94 Remova l and re placemen t C9148-909 09 4 Remov e the cable from the c ab l e guides and trough ( callout 4) . 5 Hold the black end (c allout 5), a nd slide the lamp t oward the back of the prod uct (in the direction of the arrow).
C9148-90 909 6 Removal and repl acement 95 Optical unit 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 • scanning l amp . See “ Sc anning la mp ” on pa ge 9 3 . CA UTION Do not touch the m irror , bec ause finger prin ts will affect pr int quality .
96 Remova l and re placemen t C9148-909 09 3 Center the optical unit in th e scan unit t o allow acce ss to the optical-un it dr ive-belt tensio n brack e t (callout 2) . 4 Loosen, but do n ot remove , the tensi on-sprin g brack et screw (callout 3) and swiv el the brack et to release the ten sion on the drive-belt (c allout 4).
C9148-90 909 6 Removal and repl acement 97 Reinstall Note An ytim e the glas s is remo ved and re placed, calib rate the ADF/scan u nit. See “ Cal ibration ” on page 47 . Reinstall Note With the optical uni t install ed, plac e the optic al-unit dr ive-belt onto the dr iv e and tension gear s.
98 Remova l and re placemen t C9148-909 09 ADF door o pen sensor (PS10) 1 Remov e the glass. See “ Glass ” on page 92 . 2 Unplug one connect or (callo ut 1). 3 Remov e one screw (callout 2 ). 4 Lift the A DF door se nsor up, and remove it from the product .
C9148-90 909 6 Removal and repl acement 99 Optical-unit dri ve gear/motor assemb ly 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 .
100 Removal and replac ement C9148-909 09 5 Remov e two scr e ws (call out 5). 6 Lift the op tical-uni t drive gear/m otor assem b ly (cal lout 6) up, and remove it from the product.
C9148-90 909 6 Removal and rep lacement 101 Scan-unit power suppl y 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 . • optical unit. See “ Optic al unit ” on page 95 . • optical -unit dr ive gear/motor assembly .
102 Removal and replac ement C9148-909 09 3 Unplug two co nnecto rs (callou t 2), and rem ov e them from the plastic harn ess re tainers on the power-supp ly chassis. 4 Remov e two scr e ws (call out 3). 5 Remov e one grou nd-clip screw (callout 4). 6 Lift the power suppl y up , and remove it from the scan un it.
C9148-90 909 6 Removal and rep lacement 103 In verter PCB 1 Remov e the gl ass. See “ Glass ” on page 92 . CA UTION The product co ntains c omponents that are sen sitive to electr ostatic dis charge (ESD). Al wa ys perform ser vice wor k at an ESD-prote cted work station.
104 Removal and replac ement C9148-909 09 Scan ner contr olle r PCB 1 Remov e the f o llowing ass emblies: • cop y proc essor boa rd (CPB). See “ Cop y pro ces sor bo ard ” on pa ge 8 3 . • glass. See “ Glass ” on page 92 • optical unit.
C9148-90 909 6 Removal and rep lacement 105 4 Reach thr ough the copy proces sor board cavity , an d grasp the scanner controll er PCB. Figure 80. Grasp the scanner controller PCB 5 Slide th e scanner controller away from th e product to disconn ect it.
106 Removal and replac ement C9148-909 09 Intake fan 1 Remov e the f o llowing ass emblies: • cop y proc essor boa rd (CPB). See “ Cop y pro ces sor bo ard ” on pa ge 8 3 . • glass. See “ Glass ” on page 92 . • optical unit. See “ Opt ical unit ” on page 95 .
C9148-90 909 6 Removal and rep lacement 107 4 Discon nect the 10-p in scanner controller PCB con nector (call out 2) to p rovide acces s to the fan air duct (cal lout 3). Use care wh en removing the f a n air duc t (callou t 3) to prev en t bending or breaki ng its locking t ab .
108 Removal and replac ement C9148-909 09.
C9148-90 909 7 T rou bleshooting 109 7 T roub leshooting Troublesho oting proce ss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Prelimin ary operatin g checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Installati on condit ions .
110 Troubles hooting C9 148-90909 Determin e where medi a jams occ ur . . . . . . . . . . . . . . . . . . . . 140 Is the MFP is misfeed ing or cre ating multife ed jam s . . . . . . . . 140 Isolate a media brand . . . . . . . . . . . . . . . . . . . .
C9148-90 909 7 T rou bleshooting 111 T r ou bleshooting pr ocess The trou bleshooting p rocess is a s ystematic approach that addr esses th e pr imar y pr oblems first, and then o ther pro b lems, to di scover the causes for MFP mal functions an d errors.
112 Troubles hooting C9 148-90909 Preliminary oper ating chec ks V er ify t hat the con ditions in the following list s are me t before troubleshooti ng a speci fic MFP problem. Installation conditions ● The MFP i s plugge d in, and spe cified p ower is delivered.
C9148-90 909 7 T rou bleshooting 113 Basic tr o ub l eshooting process fl ow Figure 85. Basic troubleshooting flowchart.
114 Troubles hooting C9 148-90909 Basic tr oubleshooting V er ify t hat the con ditions in the following list s are me t before troubleshooti ng a speci fic MFP problem.
C9148-90 909 7 T rou bleshooting 115 4 Is the c op y function operat iona l? Place the configuration page into the ADF input and cop y it. The page should feed smoothly through the flatbed path and copies should pr int without print-quality prob l e ms .
116 Troubles hooting C9 148-90909 P o wer-on def ects T able 16 . P ower malf unctions Item S olutio n ADF unit o r scan un it does n ot functio n. ● Print a print-en gine test (see the HP LaserJ et 4100 ser ies pr in ter se r v i ce ma nu al for more i nform atio n).
C9148-90 909 7 T rou bleshooting 117 T r ou bleshooting wit h the control panel The tables in th is sec tion explain commo n messag es that mi ght appear on the c ontrol-pane l disp la y . Within each table, the mess ages and their meani ngs are listed in a lphabetic al orde r , with numbered m essages li sted at th e end of the tables.
118 Troubles hooting C9 148-90909 Interpret the event log Each individual entr y in the log i s called an error , whi le all err ors that occur at th e same pa ge count ar e called an e vent. Events usual ly concl ude with a t ime-out or no respons e from the de vice (error 66.
C9148-90 909 7 T rou bleshooting 119 Displa y the even t log The dis play ed event log allows th e customer to scroll through the conten ts of the ev e nt log fr om the con trol panel. Se lect this to display the 50 most recent ev ents , with the most re cent first.
120 Troubles hooting C9 148-90909 Contr ol-panel messages Be sur e to rea d the exact te xt o f the con trol-pa nel messag e, includin g the erro r message number (not all error me ssages display an error numb er) and the text, in order to loca te the error message in the tables.
C9148-90 909 7 T rou bleshooting 121 Check Cables A nd Cycle Po wer Commu nic ati on between the printer f or matter and the cop y processor b oard has f ailed. 1. V er ify that the high-s pee d cop y connect cab le between t he formatter a nd the cop y proc essor boar d i s corr ectly conne c t ed (see “ For m a t t e r c a ge ” on page 87 ).
122 Troubles hooting C9 148-90909 30.0.01 or 30.0.02 SCANNER I/O FAILURE CHECK COPY CON NECT CARD Comm unicat ion has f ailed betw een the cop y proc essor bo ard and t he f or matter .
C9148-90 909 7 T rou bleshooting 123 30.1.19 Scan Fai lure The sca nning lam p does not illuminate . Inv er ter PCB or scanni ng lamp f ailure . 1. V erify that the scanning lamp br iefly illumin ate s wh en the prod uc t ’ s pow er is turned on (op en the flat bed cov er to vie w the lamp and then turn the po wer on).
124 Troubles hooting C9 148-90909 T r ou bleshooting with the copy pr ocess or boar d The table in this sec tion is a quick reference sou rce for troubleshoo ting comm on copy proces sor board ( CPB) failures that might occu r after o r during C PB in itialization.
C9148-90 909 7 T rou bleshooting 125 T able 19. T roubleshooting copy processor boar d LEDs LED pattern (LJ4100mfp and LJ4101mfp only) Contr ol panel display M FP functionality Action OFF OF F OFF OFF None (n o power) ● Print (a config uration pag e)-no ● Cop y (from the ADF or gl ass)-no ● Send (digi tal sending)-no 1.
126 Troubles hooting C9 148-90909 User -level and ser vice-le vel diagnostics ADF paper -path test The pape r-path tes t can be us ed to verify that various paper paths are worki ng prope rly or to troubleshoot pr oblems with tray config uration . T o print a paper-path test 1 Press t he MENU button.
C9148-90 909 7 T rou bleshooting 127 Service-level diagnostics Service men u The se r vice menu MF P comma nds shou ld be use d only by auth orized se r vice pers onnel. Y ou can gai n acce ss to th e ser vice menu only by using the ser vice PIN code 0441000 2 .
128 Troubles hooting C9 148-90909 Jam tr ou bleshooting Media ja ms occu r when media either does not reach o r does n ot clear the document-d etect sensor (PS1) an d leading-e dge sens or (PS2) in a speci fic amoun t of time ( see “ ADF doc ument- f e ed sy st em ” on pa ge 6 7 and “ ADF componen ts ” on page 56 ).
C9148-90 909 7 T rou bleshooting 129 Clearing repeated ADF jams 1 Check to see that media is correctl y loaded in tra ys and th at the ADF input tray guides are corr ectly ad juste d (see “ General ADF jam t roubleshooting ” on page 128 ). 2 T r y tur ning ov e r the stack of pa per in th e tra y .
130 Troubles hooting C9 148-90909 Ev alu ate the inf ormation pages F rom th e MFP control panel, you can pr int page s that give details about the MFP a nd its curre nt configura tion.
C9148-90 909 7 T rou bleshooting 131 Figure 89. Sample configuration page Hint If an HP JetDi rect EIO c ard is in stalled, an HP JetD irect conf iguration p age will a lso be pr inted.
132 Troubles hooting C9 148-90909 JetDirect pa ge Use the J etDirect pag e to view current ne twork sett ings, to help tro ubleshoot MFP pro b lems, or to verify networ k statisti cs or protoc ol informati on. JetDire ct-page ele ments A. HP JetDirec t con fig uration B.
C9148-90 909 7 T rou bleshooting 133 Supplies status page Use the s upplies st atus page to view current prin ter supply status, to help t roubleshoot MF P problems, or to verify MFP informati on. Supplies-page elements A. Supplie s-ord erin g informat ion B.
134 Troubles hooting C9 148-90909 Usage page The us age page is design ed to fit into a pa y-per-page ( PPP) mo del. A r eseller can con figure the usage pa ge with i nstr uctions tha t a user can send the infor mation ba ck to the rese ller in order to prepar e bills.
C9148-90 909 7 T rou bleshooting 135 File director y page Use the fi le directo r y page to view current d irector y str uctures, to help tro ubleshoot MFP problems, or to v e rify s torage capabil ities. File-direc tor y-pa g e ele ments A. Director y informati on Figure 93.
136 Troubles hooting C9 148-90909 Image-formation tr ou bleshooting When wor king wi th users, obtain a p rin t sample b ef ore trou b l eshootin g the MFP . Also , ask the user to descri be the qua lity expected from the MFP . The pr int samp le helps clari fy the user ’ s descr iption of the problem.
C9148-90 909 7 T rou bleshooting 137 Checki ng the print car tridge Image-for mation de f e cts are ofte n the resul t of problems with the pr int car t ridge. Us e the following list to verify that the p rint car tr idge is still op erating co rrectly .
138 Troubles hooting C9 148-90909 Image-def ect tables Hint The ima ge defects descr ibed i n this sec tion are associ ated with the ADF un it and the scan un it. F or more i nf or ma tion about image d ef ects and their caus es, see the HP LaserJet 4100 ser ies pri nter ser vice manual.
C9148-90 909 7 T rou bleshooting 139 P age sk ew The ADF u nit or scan u nit needs to be calib rated. ● Calibra te the sc an unit. See “ Cali brati on ” on page 47 and/or “ P e r f or ming manual calibr ation ” on page 48 . ADF inpu t tra y guides are not properly adj usted.
140 Troubles hooting C9 148-90909 Media troub leshooting Media defects can c ause ja ms and im age defects. If the previously descr ibed cond itions are corre cted and the pr inti ng problem is n ot correc ted, conti nue to inv es tigate the media as the source of the defect.
C9148-90 909 7 T rou bleshooting 141 Isolate a media brand If the M FP jams with only one brand of med ia: ● T r y switching me dia brands. ● If the paper ream in use appears to be ol d, open a fresh ream of the same pap er and load it proper ly into the MFP .
142 Troubles hooting C9 148-90909 Wiri ng diagrams Figure 94. Wiring diagram.
C9148-90 909 8 P ar ts and di agrams 14 3 8 P ar ts and diag rams Orderin g parts, supplie s and getti ng support . . . . . . . . . . . . . . . . . . . 1 44 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
144 Parts and dia gr ams C9148-9 0909 Ordering par ts, supplies an d gett ing suppor t Pa r t s Order r eplacement p ar ts fr om the following website : http://www .hp.com/ssg/par ts/direc t_order .htm l Related documentation and software Order doc umentati on and soft ware from the si tes listed in table 24.
C9148-90 909 8 P ar ts and di agrams 14 5 Accessories The following items are av ailable thro ugh your local authorized HP dealer. T o find a dealer near you, call the HP Customer Infor mation Ce nter at (1) (800) 752-09 00. Hint Optiona l 2-MB and 4-M B Flash DIMMs ar e a vailab le f or the HP 4100 Las erJet ser ies pr inter .
146 Parts and dia gr ams C9148-9 0909 Common h ard ware The produc t has si x commo n f astener s. See table 27 for a descr iption of these sc re w types. HP Laserjet 4100 differences The HP L aserJet 41 00mfp and th e HP Lase rJet 4101mfp are based o n the HP 41 00 seri es pri nter .
C9148-90 909 8 P ar ts and di agrams 14 7 How to use the par ts lists an d diagrams The fig ures in this chapte r illustrate the major subassem blies in the M FP and t heir com ponent par ts. A ta ble (par t numb er list) follows eac h e xploded assembly di agram.
148 Parts and dia gr ams C9148-9 0909 P ar ts lists a nd diagrams Figure 95. Covers 1 2 3 4 5.
C9148-90 909 8 P ar ts and di agrams 14 9 T a ble 29. Cover s P art Numbe r Description Reference RB2-8751 -000CN Handle , face -up 1; Figure 95 RB2-8757 -000CN C ov er , side left 2; Figure 95 RB2-87.
150 Parts and dia gr ams C9148-9 0909 Figure 96. Top-c ov er ass embly 1 2 4 3 5 7 6 8.
C9148-90909 8 Parts and diagrams 151 Table 30. Top-cover assembly Part Number Description Reference RG5-6563-000CN Control-panel assembly 1; Figure 96 C9148-69002 Exchange Control-panel assembly 1; Fi.
152 Parts and dia gr ams C9148-9 0909 Figure 97. Scan unit (1 of 2) 10 2 3 4 5 7 8 1 11 6 9 12 13.
C9148-90 909 8 P ar ts and di agrams 15 3 T a ble 31. Scan unit (1 of 2) P art Numbe r Description Reference RH7-3074 -000CN Lamp , scanner 1; Fi gure 97 RG1-4124- 000CN Optical unit (com es with the .
154 Parts and dia gr ams C9148-9 0909 Figure 98. Scan unit (2 of 2) 6 1 4 2 3 5 7 8 9 10 11 12 13 14.
C9148-90 909 8 P ar ts and di agrams 15 5 T a ble 32. Scan unit (2 of 2) P art Numbe r Description Reference RG1-4120- 000CN ADF door-open sensor assemb ly (PS10) 1; Figure 98 RG1-4122- 000CN Scan-uni.
156 Parts and dia gr ams C9148-9 0909 Figure 99. Glass , formatter, CP B, and cables 1 2 3 4 5.
C9148-90 909 8 P ar ts and di agrams 15 7 Note T o find the par t numbers for a hard dis k, memor y DIM Ms, JetDirect car d, or oth er accessor ies, see “ Acce ssor ies and supplies ” on page 145 .
158 Parts and dia gr ams C9148-9 0909 Figure 100. ADF unit (1 of 2) 2 3 4 1.
C9148-90909 8 Parts and diagrams 159 Note Only replace the entire ADF unit if all attempts to troubleshoot the unit at a component level have failed or if the ADF unit component that has failed is not a service part (it has no part number). See “Troubleshooting” on page 109 .
160 Parts and dia gr ams C9148-9 0909 Figure 101. ADF unit (2 of 2) 1 2 3 4 5.
C9148-90 909 8 P ar ts and di agrams 16 1 Table 35. ADF unit (2 of 2) P art Numbe r Description Reference RF5-380 8-000CN Separ ation-pad assem bly 1; Figure 1 01 RS6-2572 -000CN Spr ing, compre ssion.
162 Parts and dia gr ams C9148-9 0909 Alphabetical par ts list T able 36. Alphabetical pa rts list P art Nu mber Descript ion Ref. RG1-4120 -000CN ADF door-o pen sens or assemb ly (PS10) 1; Figure 9 8.
C9148-90 909 8 P ar ts and di agrams 16 3 RF5-380 4-000CN Mylar-she et holder 4; Figure 100 RG1-4124- 000CN Op tic al uni t (comes w ith the scan nin g lam p and r ibbon cable) 2; Figure 97 RG5-6644- .
164 Parts and dia gr ams C9148-9 0909 Numerical par ts list T able 37 . Numerical p arts li st P art Nu mber Descript ion Ref. 5969-866 0 High-speed copy c onnect cab l e 4; Figu re 99 C7844 -679 01 F.
C9148-90 909 8 P ar ts and di agrams 16 5 RG1-4124- 000CN Op tic al uni t (comes w ith the scan nin g lam p and r ibbon cable) 2; Figure 97 RG1-4127- 000CN Gl ass assem bly 1; Figure 99 RG1-4131- 000C.
166 Parts and dia gr ams C9148-9 0909.
C9148-90 909 Index 167 Inde x Symbols ? (Help) key 30 A accessories included 14 ordering 145 acclimation, environment 112 ADF (automat ic document feeder) blank pages, troubleshooting 138 cable, locat.
168 Index C9148- 90909 copying control panel keys 30, 31 features 15 operations overview 52 resolution 15, 16 skew specifications 17 speed 15, 16 status bar 31 troubleshooting 115, 123 using ADF 28 us.
C9148-90 909 Index 169 FPGA operations 57, 60 FRUs (field replaceable units) alphabetical list 162 numerical list 164 ordering 144 part numbers 147 removing and replac ing 24, 70 user-replaceable 39 f.
170 Index C9148- 90909 mylar strip, cleaning 36, 37 N networks, firmw are updates 4 2, 43 numbers, part alphabetical list 162 numerical list 164 NVRAM initialization 46 O operations ADF document-feed .
C9148-90 909 Index 171 RFUs (remote firmware updates) configuration page 130 HP Web JetAdmin procedures 42 installation 41 troubleshooting 44, 119 Windows parallel connection procedures 43 right-side .
172 Index C9148- 90909 troubleshooting basic steps 111, 114 configuration page 130 control panel 114, 116 copy processor board (CPB) 121 , 124 copying 115 diagnostics 126 error messages 120 file direc.
.
*C9148 * *C9148 * -90909 -90909 C914 8-90 909 http://www .hp .com/support/lj4100mfp http://www .hp .com/support/lj4101mfp.
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