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f o r M a c i n t o s h Canon Plug-in Module C S -U 3 .8 for CanoScan N650U/N656U/N1220U Color Image Scanner User's Guide.
2 How to Make Best Use of the Manuals Describes operating procedure from set up and software installation to scanning and confirmation of operation. Please read before using the scanner for the first time. Printed Manual CanoScan N650U/N656U/N1220U Getting Started Detailed information on how to use Canon Plug-in Module CS-U.
3 How to Use this Guide This guide explains the operating procedur es for Canon Plug-in Module CS-U (hereafter r eferred to as Plug-in Module CS-U), the Macintosh driver (plug-in software) used with Canon image scanners.
4 T able of Contents How to Make Best Use of the Manuals .................................................................. 2 How to Use this Guide ........................................................................................... 3 T able of Contents .
5 STEP 3 Adjusting Scanned Images .......................................................... 35 T one Adjustment .................................................................................................. 36 Histogram Settings .................
6 Installing Plug-in Module CS-U Please install Plug-in Module CS-U with the other application pr ograms according to the instructions in the “1. Installing the Softwar e” section of “Chapter 3, Using the Macintosh Platform,” of the Getting Started guide supplied with the scanner .
7 Contr ol Panel Features When you need more information about a contr ol panel button or menu, refer to the illustration below and go to the refer enced page number for more details. • The illustration may dif fer slightly from the version of Plug-in Module CS-U provided in your package.
8 Scanning Pr ocedures Follow these procedur es to use Plug-in Module CS-U. STEP 2 STEP 1 Is th e sca nn er att ac hed ? Pr e par e fo r S ca nni ng ➜ p. 1 3 • Pos ition the Original • Pre view • Sel ect the O utput Dev ice • Set th e Resolut ion and M agnificat ion • S et the Sc an Mod e p.
9 Plug-in Module CS-U Special Featur es • See the Results of Adjustments Immediately (Dynamic Preview) Once in preview mode, the r esults of adjustments to scan mode settings and colors are pr omptly reflected in the pr eview image.
10 Quick Start Instructions Folow the procedur es below to start scanning immediately . If you requir e more information at any stage, read the pages r eferenced at each step. Install Plug-in Module CS-U This step is not required if you have already installed Plug-in Module CS-U following the instructions in the Getting Started guide.
11 Set the Scan Mode, Output Device, Resolution and Magnification pp. 18-22 • Scanning mode determines how the image is scanned (p. 21) . • Output device setting optimizes the images for particular uses (p. 18) . • Resolution determines the amount of detail in the scanned image (p.
12 Scan the Image p. 33 Click on the [Scan] button. • Plug-in Module CS-U will scan the image. • When the scan is complete, the Plug-in Module CS-U control panel will close and the scanned image will appear in the ArcSoft PhotoStudio 2000 or other plug-in compatible application window as an “Untitled” file.
13 STEP 1 Scanning Pr eparations Step 1 presents the essential preparations for scanning. The following procedures are explained on the indicated pages. ■ Displaying the Plug-in Module CS-U Control Panel p. 14 ▼ ■ Positioning Originals p. 16 ▼ ■ Previewing p.
14 S T E P 1 Displaying the Plug-in Module CS-U Control Panel The Plug-in Module CS-U control panel is used to perform scans. Plug-in Module CS-U can be opened from CanoScan T oolbox CS or ArcSoft PhotoStudio 2000 and other plug-in compatible application pr ograms.
15 S T E P 1 Operating Procedur es The following pr ovides an example of scanning from within ArcSoft PhotoStudio 2000. V erify that the scanner is attached to your computer and that the power is on. Read the Getting Started guide for instructions on how to connect the scanner .
16 S T E P 1 Positioning Originals Place the original you intend to scan on the scanner's document glass (platen). Procedur es Place the original on the scanner's document glass. Open the cover and set the original face down on the scanner’ s document glass with the top edge at the front of the scanner .
17 S T E P 1 Pr eviewing The preview scan is a trial scan performed befor e the final scan that encompasses the entire scanable ar ea of the document glass. The preview image is shown in the preview window . Use this image to specify a scan area and adjust the scan settings for the image.
18 S T E P 1 Selecting the Output Device Use the following procedur es to select the output device (printer , etc.) for the scanned image. Select the device that corr esponds best to your output device and use of the image.
19 S T E P 1 Setting the Resolution and Magnification The magnification of an image can be changed before scanning to accommodate repr oductions that are larger or smaller than the original.
20 S T E P 1 T o Set the Magnification Factor Set the desired magnification factor on the control panel. Hint The Relationship Between Data V olume and Scanning Resolution The higher the magnification and scanning resolution settings, the greater the file size of scanned images.
21 S T E P 1 Setting the Scan Mode When an image is scanned, it is r ead as a collection of “dots.” The scan mode that is selected determines how each of these dots is r epresented in the output. The following four scan modes are available. Black and White Expresses images in two colors only: black or white.
22 S T E P 1 Operating Procedur es Click the arrow beside Scan Mode. Select a scan mode from the pop-up menu. Selecting the box opens the pop-up menu..
23 S T E P 1 V erifying the Image befor e Scanning Before initiating the final scan, it is advisable to check the intended r esults with the Browser function. The image in the br owser window is more accurate than the one in the preview window , allowing you to verify the results more pr ecisely before scanning.
24 S T E P 1 Rotating the Image Y ou can rotate the image in the pr eview window clockwise to the right or counterclockwise to the left in incr ements of 90 or 180 degrees. T o rotate the image, click the appr opriate button. Caution • If you rotate the image in the preview area, the scanned image will also rotate.
25 S T E P 1 Setting Pr efer ences The Prefer ence settings determine how Plug-in Module CS-U operates for the following options: output device (printer , files), scan area setting method, size display units, preview window size, and close plug-in after scan.
26 S T E P 1 Unit Specifies the units that define the size of the scanned image. Preview Window Y ou can size the preview window and set its r esolution. Enter a large value for a large preview window size. Y ou can also use this featur e to set the auto preview and preview cache options.
27 S T E P 1 Calibration Adjusts the white balance to the corr ect value so that all the colors are scanned correctly . Calibration takes appr oximately 1 minute. If the color balance of a scanned image is off-balance, select this option to calibrate the scanner input.
28 S T E P 1 Operating Procedur es Open the [Preferences] menu in the control panel. Select the desired option from the pull-down menu. • Selecting any one of the Output Device, Aspect Ratio, Unit or Preview Window options displays the r espective dialog.
29 STEP 2 Scanning Step 2 presents the procedures for conducting the final scan, saving the scanned image in a file and editing image files. Follow the procedures below to perform the final scan. ■ Setting the Scan Area p. 30 ■ Zooming p. 31 ▼ ■ Scanning p.
30 S T E P 2 Setting the Scan Ar ea Using the image in the preview window , you can define the actual area to be scanned. Operating Procedur es Position the pointer in the preview window . The [+] symbol marks the current position of the pointer . Click and drag the mouse in the direction you want to define on the image as a frame.
31 S T E P 2 Zooming Y ou can specify a selected ar ea of the image for enlargement with the zoom featur es. Y ou can use the zoom function to select an area with high precision, or to select small ar eas for scanning. Procedur es to Zoom In Select the area you want to enlarge with the zoom function.
32 S T E P 2 Click on the Zoom In button. The selected area will be displayed in expanded for m. If you want to enlarge the image again, reduce the size of the ar ea selected with the frame and click the Zoom In button again. Click the Zoom Out button to restore the view prior to zooming.
33 S T E P 2 Scanning Once you have set the magnification and scan mode, you may proceed with the scan. Once the scan is complete, Plug-in Module CS-U automatically closes and returns to the application software, such as CanoScan T oolbox CS or Ar cSoft PhotoStudio 2000, if the [Close Plug-in After Scan] setting is on.
34 S T E P 2 Saving Scanned Images Follow this procedur e to save a scanned image with the parent softwar e application. The example below shows how to save a scanned image with ArcSoft PhotoStudio 2000. See the ArcSoft PhotoStudio 2000 User’ s Guide.
35 STEP 3 Adjusting Scanned Images Scanned images may be corrected for brightness and color tone or edited in a variety of ways. The potential adjustments vary with the scan mode utilized in the preview . Adjustments to the scanned image may be made after the image is previewed.
36 S T E P 3 T one Adjustment Use T one Adjustment to enhance the brightness or color of the image in the preview ar ea. Open the [Image] menu and select [T one Adjustment], or click the [T one Adjustment] button, to open the T one Adjustment dialog so you can enhance the preview image.
37 S T E P 3 Histogram Settings The data comprising an image contains a variety of brightness settings ranging from shadows to highlights. These settings ar e repr esented in Plug-in Module CS-U by values ranging between 0 and 255. The differ ence in these values determines the image’ s contrast.
38 S T E P 3 How to Adjust Histograms T o change the contrast in an image, the distribution of data between shadows and highlights can be adjusted by dragging the shadow and highlight marks at the bottom of the histogram.
39 S T E P 3 Click on the [OK] button. The preview image will change accor ding to the values specified with the histogram. Hint • The histogram dialog can also be displayed by selecting [T one Adjustment] from the [Image] menu. Highlight Mark All of the data to the right of this mark is set to the highlight (255) value.
40 S T E P 3 T one Curve Settings Y ou can edit the tone curve directly by changing the shape of the line on the graph. When you change the setting by manipulating the curve, you can perform fine adjustments in the brightness of only the shadows, only the highlights, or both the shadows and highlights.
41 S T E P 3 T o Edit the T one Curve In the T one Adjustment dialog box, click the tone curve tab. Change the tone curve in any direction to adjust its shape. Click the OK button. The image in the preview window changes to r eflect the new settings. Y ou can adjust the setting for each channel: R (red), G (gr een), B (blue) or M (master).
42 S T E P 3 The Relationship Between the T one Curve and Image Brightness T one curve values fall with a range of 0.01 to 10.00. A value of 1 appears as a straight line in the graph, and if the value is any value other than one, the line on the graph will appear curved.
43 S T E P 3 Brightness and Contrast Settings Y ou can adjust the image with two slide bars, one for contrast and one for brightness. Use this method to adjust an image before scanning if it is slightly out of focus or too dark. Hint • Y ou cannot use this feature with the black and white or color scan modes when ColorSync is selected.
44 S T E P 3 T o Adjust the Brightness and Contrast In the T one Adjustment dialog click the brightness/contrast tab. Adjust the brightness/contrast settings by dragging the slidebars, changing the value with the spinbox buttons, or entering the value directly into the entry box.
45 S T E P 3 Adjusting the Color Balance Y ou can enhance color matching by adjusting the color balance of one or all of the three primary colors: r ed, green and blue (RGB). Use this featur e to adjust the color balance when you see an over -abundance of a color in a scanned image.
46 S T E P 3 Gamma V alue Settings By adjusting the gamma value, you can more closely match brightness of the displayed image to the printed image. Adjust this value if what you see on the screen is very dif ferent from your printout.
47 S T E P 3 T o Change the Gamma V alue Settings Click the gamma tab in the T one Adjustment dialog. Click a pre-set value or the custom option. Click the [OK] button. The changes are r eflected in the image currently displayed in the pr eview window .
48 S T E P 3 Adjusting the Thr eshold V alue When the scan mode is set to black and white, the image brightness can be adjusted. The threshold value setting determines whether a halftone will be expressed as a black or a white data point. The possible thr eshold values range between 0 and 255.
49 S T E P 3 Auto T one Corr ection When the selected scan mode is Color (D ocuments) or Color (Photo s), you have three options for adjusting the color: Standard, ColorSync or None. The default setting is [Standard]. Standard Use this option if scanned images are to be viewed primarily on the computer display with photo album software.
50 S T E P 3 Unsharp Mask The Unsharp Mask function enhances the outlines of an image. When set to On, this function makes the image outlines appear sharper without changing the brightness, contrast or color balance, giving it a natural look. It is particularly useful for scanning images that are slightly out of focus.
51 S T E P 3 Descr een Moiré patterns occasionally appear when items printed at high resolutions ar e scanned. T o reduce this phenomenon, scan photographs and other high-resolution prints with the Descreen function enabled. Shut it of f to scan lower resolution items, such as newspapers, books and magazine text.
52 S T E P 3 Saving/Recalling Settings The scan mode, resolution and pr eference settings can be saved with a pr eview image to a settings file and recalled for futur e processing. The user may fr eely assign a name to the settings file. It is convenient to save frequently used settings in a file.
53 S T E P 3 T o Recall a Settings File Open the [Setting File] menu and select [Load]. Select the folder where the file is stored and click the name of the file you want to load. Click the [Open] button. The file you selected opens and the settings stored in the file ar e enabled for the T one Adjustment settings.
54 S T E P 3 Scanning T echniques Matching Scan Resolution to Purpose Plug-in Module CS-U provides many choices of r esolution. The resolution you choose should depend upon your output device, the intended purpose of the image, the type of image and your scanner .
55 Appendices ■ T roubleshooting p. 56 ■ Error Messages p. 58 ■ Glossary p. 59 ■ Index p. 64 ■ Canon Customer Support Help Desk p. 66.
56 T r oubleshooting Please refer to the following information if you encounter a pr oblem using Plug-in Module CS-U. For further details, refer to the T roubleshooting item on the CD- ROM provided with your scanner .
57 Problem: Scan button cannot be selected ➤ Solution 1: A scan cannot be performed if the scan ar ea is set too small (less than 64 x 64 pixels). Increase the size of the scan ar ea ➤ Solution 2: A scan cannot be performed unless a scan area is specified.
58 Err or Messages Response • Use the USB cable to connect the Macintosh to the scanner properly . • After releasing the lock, temporarily disconnect the USB cable. Reconnect it and restart Plug-in Module CS-U. • Contact your nearest Canon Customer Support Help Desk .
59 Glossary Auto T one Corr ection A function that uses brightness/contrast and gamma value settings to automatically analyze and adjust images. Bits/Bit Numbers Each dot of a 1-bit image is assigned either black or white accor ding to the threshold brightness value, r esulting in the image being repr oduced in just those two colors.
60 Color Channel Any one of the red, gr een or blue elements of a color image. Since color images are assigned 8 bits per pixel for each of the r ed, green and blue channels, each pixel is assigned 24 bits of data. The master channel is the composite of these three channels.
61 Gamma V alue A function for adjusting the overall brightness of an image. A gamma value is the mathematical expression of how brightness data is conver ted from a scanner (the input) to a monitor or printer (the output). With 1 as the base value, a gamma value less than 1 makes an image darker , while a higher value makes it brighter .
62 Moiré The patterns or lines created by overlapping dots in an image. This phenomenon is found when photographs or pictures ar e scanned from books and magazines at low resolutions. The Descr een function helps to eliminate moiré patterns. Optical Resolution An expression of the volume of data per inch (dpi) that can be sampled by a scanner .
63 Scan Mode Any one of the various methods used to repr oduce image data. Scan modes are distinguished by the number of bits used to describe each pixel. Plug-in Module CS-U features the following scan modes. • Color (Photos)/Color (Documents): assigns 8 bits of data for each color channel (RGB) in each pixel.
64 Index A Alignment mark 16 Application Compatible 15 Stand-alone 15 Aspect ratio 25 Auto button 39 Auto T one Adjustment button 7, 36 Auto T one Correction 59 B Bits/Bit numbers 59 Black and White 2.
65 R Required memory 7 Resolution 7, 11, 19, 62 RGB 14, 45, 62 RGB values 14 Rotating the image 24 Rotation button 7, 24 S Save Scanned image 12, 34 Save Settings file 52 Scan 12, 33 Scan area 11, 30 .
66 Canon Customer Support Help Desk CANON COMPUTER SYSTEMS, INC. 2995 Redhill Avenue Costa Mesa, CA 92626 U.S.A. T el: 1-800 OK CANON http://www .ccsi.canon.com CANON (UK) L TD. Woodhatch, Reigate Surrey RH2 8BF , United Kingdom For technical support, please contact Canon Helpdesk.
Art Direction: Yoshisuke Kuramoto, CDS Inc., Tokyo, Japan Design: Sumio Koike, MidCat Communications Inc., V ancouver, Canada Writing: Ayako Tanaka, CDS Inc., Tokyo, Japan Translation: Christian R.P . Cowley, Concise Communications Corporation, Vancouver , Canada Raulie W.
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