Canon CANOSCAN N650U User Manual Download

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ScanGear CS-U 5.7

for CanoScan N650U/N656U/N1220U Color Scanner

User’s Guide

Summary of Contents for CANOSCAN N650U

Page 1: ...ScanGear CS U 5 7 for CanoScan N650U N656U N1220U Color Scanner User s Guide ...

Page 2: ...into another language or format Microsoft and Windows are registered trademarks or trademarks of the Microsoft Corporation in the United States and other countries Canon and CanoScan are registered trademarks of Canon Inc ColorGear and ImageTrust are registered trademarks of Canon Inc All other names are trademarks of their respective companies In this manual screen shots are taken with Windows 98...

Page 3: ...g ScanGear CS U Windows 98 17 Chapter 3 Simple Mode and Advanced Mode 19 What are the Simple Mode and Advanced Mode 20 Switching Between the Simple and Advanced Modes 21 Simple Mode Main Window 22 Advanced Mode Main Window 23 Chapter 4 What is on the screen 25 Main Window 26 Toolbar 27 Scanning Buttons 30 Simple Mode Main Window 31 Advanced Mode Main Window 36 The Main Sheet 36 The Tone Sheet 40 C...

Page 4: ... in the Simple Mode 59 Scanning in the Advanced Mode 64 Chapter 6 Settings in the Windows Control Panel 68 Opening Scanners and Cameras Properties 69 General Settings 71 Events Settings 72 Preferences Settings 73 Color Management Settings 75 Chapter 7 Troubleshooting 76 Pre Scan Checklist 77 How to Avoid Problems 78 Troubleshooting Checklist 80 Glossary 85 Index 99 ...

Page 5: ...5 Top Page Glossary Contents Index chapter 1 Before You Begin Welcome to ScanGear CS U System Requirements Getting Help in ScanGear CS U ...

Page 6: ...r CS U you can preview and adjust an image before the image is scanned and acquired by the parent software application Here is a quick summary of the important features of ScanGear CS U Two operation modes Simple Mode which allows you to select all optimum settings with one selection and Advanced Mode which allows you to create professional color and other enhancements for artistic effects Flexibl...

Page 7: ...r some software applications may not open the ScanGear CS U main window When this occurs you cannot use the settings described in this user s guide because the host software application will provide the settings so you can change the image after it is acquired When a software application uses ScanGear CS U without opening the ScanGear CS U main window this is called the windowless mode ...

Page 8: ...r more recommended Windows 2000 Professional 32 MB 64 MB or more recommended 10 MB of free disk space for ScanGear installation Free disk space at least 50 MB The amount of space required depends on the scanning area and the Color Mode or Resolution settings color images scanned at higher resolution require more storage space Note Before you scan an image check the file size in the status bar You ...

Page 9: ...9 chapter 1 BeforeYouBegin Top Page Glossary Contents Index Software Microsoft Windows 98 or Microsoft Windows 2000 Professional TWAIN compliant parent software application ...

Page 10: ...ting Help in ScanGear CS U For information about using ScanGear CS U open the on line Help by clicking the Help button on the toolbar or in the dialog boxes Click the Contents or Index tab to see if the topic you are looking for is covered elsewhere in on line Help ...

Page 11: ...11 Top Page Glossary Contents Index chapter 2 Installing ScanGear CS U Installing ScanGear CS U Uninstalling ScanGear CS U ...

Page 12: ...n enabled USB port Some computers may require enabling the USB function with a BIOS setting For details about enabling the USB port with the BIOS setting see your computer manual Make sure the scanner is connected to a computer If a previous version of ScanGear CS is installed on your computer uninstall it before you install ScanGear CS U 5 7 Note With Windows 2000 Professional ensure that you log...

Page 13: ...re to install ScanGear CS U To perform this procedure you need CanoScan Setup Utility CD ROM 1 Connect the scanner and computer with the USB cable Then turn on the computer A brief message will tell you that an unknown device has been detected then the Add New Hardware Wizard dialog box opens 2 Click the Next button ...

Page 14: ...he CD ROM drive 5 If you use the English version uni language CanoScan Setup Utility CD ROM select the CD ROM drive then click the Next button If you use the multi language CanoScan Setup Utility CD ROM select the Specify a location and click the Browse button In the Browse for Folders dialog navigate in the CD ROM drive to find the Scangear folder and select the English folder then click the OK b...

Page 15: ... and click the Next button to start copying the files 7 When you are prompted to insert the Windows 98 CD ROM after clicking the OK button click the Browse button Specify the CanoScan Setup Utility CD ROM drive as the file source then click the OK button 8 Click the Finish button to complete the installation procedure ...

Page 16: ... ROM Always uninstall ScanGear CS U with this procedure if you are using Windows 2000 Professional 1 Place the CanoScan Setup Utility CD ROM in the drive 2 Click the Uninstall the Software button in the CD ROM s menu window 3 Click the Uninstall ScanGear CS U button in the Uninstall menu window 4 Follow the on screen instructions to complete the procedure Note ...

Page 17: ...g ScanGear CS U Windows 98 Follow the procedure below if you use Windows 98 and cannot uninstall ScanGear CS U using the Uninstall menu of the CanoScan Setup Utility CD ROM 1 Click the Start button point to Settings and click Control Panel 2 Double click the Scanners and Cameras icon ...

Page 18: ...t was connected to the computer when the system was started up 4 Click the OK button to close the dialog box 5 Double click the System icon in the Control Panel click the Device Manager tab and search for the Other Devices category If CanoScan appears select it and click the Remove button Click the OK button after CanoScan is removed 6 Delete the Canon Inc N065U INF or Canon Inc N122U INF file fro...

Page 19: ...19 Top Page Glossary Contents Index chapter 3 Simple Mode and Advanced Mode What are the Simple Mode and Advanced Mode Simple Mode Main Window Advanced Mode Main Window ...

Page 20: ...e setting which sets up the scanning job for you automatically You can accept the settings and start the scanning job or you can make small adjustments to the settings before you begin For routine scanning jobs you can create your own Image Types and save them under a name that will listed among the pre defined selections Advanced Mode The Advanced Mode presents more options which allow you to set...

Page 21: ... by clicking a button In the Simple Mode main window click the Advanced Mode button to open the Advanced Mode main window In the Advanced Mode main window click the Simple Mode button to open the Simple Mode main window Note If you change the settings in either the Simple Mode or Advanced Mode the changes will be reflected in the settings of the other mode Advanced Mode Simple Mode ...

Page 22: ...ge Glossary Contents Index Simple Mode Main Window The ScanGear CS U main window in the Simple Mode has only one sheet named Simple Mode followed by the name of your scanner Use the Simple Mode sheet settings to select the settings for a scanning job ...

Page 23: ...rform the settings for scanning In the Advanced Mode click the Main tab Tone tab or Halftone tab or the Scanner tab to open the Main sheet Tone sheet or Halftone sheet or Scanner sheet Use the settings on each sheet to perform important settings for scanning Note In the Advanced Mode the name of your scanner N650U N656U or N1220U is displayed on the tab of the Scanner sheet ...

Page 24: ...hapter 3 Simple Mode and Advanced Mode Top Page Glossary Contents Index If you select Black and White or Text Enhanced OCR for the Color Mode on the Main sheet the Tone tab is replaced with the Halftone tab ...

Page 25: ...25 Top Page Glossary Contents Index chapter 4 What is on the screen Main Window Toolbar Scanning Buttons Simple Mode Main Window Advanced Mode Main Window ...

Page 26: ...What is on the Screen Top Page Glossary Contents Index Main Window Preview Button Scan Button Clear Button Preview Area Tool Bar Title Bar Window Resize Corner Close Box Setting Tab Mode Switching Button Status Area ...

Page 27: ...mage because you are pre scanning or scanning only the necessary section of the image not the whole area To un crop the image simply click outside the cropped area Move Image Button Use the Move Image button to scroll the image up down or left right when the previewed image has been enlarged with the Zoom Tool button and is too large to be viewed all at once Click the Move Image button and drag th...

Page 28: ...he Zoom Tool button then click the right mouse on the magnified image Auto Crop Button After clicking the Crop button and drawing a rectangle around the part of the image that you want to scan click the Auto Crop button to size the rectangle for the best fit around the object enclosed by the rectangle Negative Positive Button Click the Negative Positive button to invert the colors and create a neg...

Page 29: ...eet and then select the units of measure from the drop down list Auto Tone Button Click the Auto Tone button to have ScanGear CS U automatically adjust the tone of a pre scanned color image within the cropped area The Auto Tone feature is on when the button on the toolbar is depressed The Auto Tone button is available only when Color has been selected for Color Mode on the Main sheet and when Colo...

Page 30: ...tton to scan the image on the scanner with any special effects or adjustments that have been applied and send the scanned image to the software application from which you launched the ScanGear CS U Note After you click the Scan button the Scanning dialog box is displayed Click the Cancel button in this dialog box to cancel the scan operation Clear Button Click the Clear button to clear the image i...

Page 31: ...ly for optimum scanning results Here is a summary of the available Image Type settings for the image Color Mode and Resolution Color Screen Color Photos 75 dpi Use to scan the original as it appears on the monitor Color Photo Color Photos 150 dpi Use to scan color photographs Color Photo Fine Color Photos 300 dpi Use to scan color photographs for best quality in the scanned image BJ Printer Color ...

Page 32: ...aser Printer Black and White 600 dpi Use to scan a black and white original that you intend to print on a black and white laser beam printer FAX Text Enhanced OCR 200 dpi Use to scan an original that you intend to send by facsimile OCR Text Enhanced OCR 300 dpi Use to scan pages of text that you intend to capture with an OCR software application Color Mode Displays the Color Mode setting for the c...

Page 33: ...he Advanced Mode Tone tab settings Selecting Black and White or Text Enhanced OCR sets the Resolution setting to 300 dpi If you select any setting other than Black and White or Text Enhanced the Resolution setting is re set automatically to the base setting for the Image Type selection However if either Black and White or Text Enhanced OCR is selected when ScanGear CS U is started and then another...

Page 34: ...an create and save up to 12 custom settings of your own Note The Edit Image Type button is not enabled until you select Custom or a custom setting previously saved from the Image Type drop down list This button is also enabled after you select one of the pre defined Image Types and change the Color Mode or the Resolution setting Width Displays the width of the scanning area currently selected in t...

Page 35: ...have performed with the Toolbar and Tone sheet buttons Business Card Statement B5 Executive Letter Full Platen A4 Magazine Click this check box if you want ScanGear CS U to conduct moiré reduction to improve the overall image quality Moiré are dot patterns that interfere with processing images for professional use and are usually caused by poor dithering resulting from scanning images from newspap...

Page 36: ...olor Mode determines how the original will be scanned Black and White Grayscale Color etc Click the down arrow and select a setting from the drop down list Black and White The image is scanned in black and white Grayscale The image is scanned in black and white but if the original is in color most of the colors will be shaded ...

Page 37: ...n with the Color Photos Text Enhanced OCR Converts grayscale images to black and white using Canon ImageTrust technology This setting produces sharper text which will be easier for OCR software to read The Text Enhanced OCR and Grayscale selections require more time that the Black and White setting in order execution digitization of the scanned images Selecting the Color Mode setting automatically...

Page 38: ...of 1 dpi is also possible or values of 4800 7200 or 9600 can be entered directly The higher the resolution the better the quality of the displayed image but the slower the scanning speed Make sure you select a setting based on the capability of your output device You can enter the following values directly into the entry box to scan a very small area at high resolution The maximum size of the scan...

Page 39: ... setting does not affect the image in the Preview Area Width and Height The width and height of the current selection or if there is no selection the maximum output size measured from the upper left corner of the image in the Preview Area and based on the current paper size To change the Width and Height settings click the Crop button on the toolbar and select a section of the image in the preview...

Page 40: ...e sheet adjustment is conducted with the Preview Area Settings can be selected even when there is no image in the Preview Area In this case the settings take effect on the next scanned image These are the Tone sheet buttons that open each tool chart and allow you to enhance images in the Preview Area Samples and detailed descriptions of each sheet are provided on the following pages Tone Sheet But...

Page 41: ...ogram button Opens the Histogram sheet and allows you to adjust tone intensity to enhance an image that is either too light or too dark Special Tone Curves buttons Opens the Special Tone Curves sheet and allows you to adjust the tones for one or all of the three primary colors RGB by selecting a special tone curve or editing a tone curve Note The Contrast Brightness Gamma Histogram and Special Ton...

Page 42: ...Color Photos or Color Documents the user defined settings are saved to a file adc for color adjustment When Color Mode is set for Grayscale the user defined settings are saved to a file adg for color adjustment The system determines the path and file name for the saved file The target folder for the temporary image file cannot be changed Reset button Resets displayed settings of the channel M R G ...

Page 43: ...e in the Preview Area changes to reflect the adjustment Channel If you want to select one of the primary colors RGB for adjusting the contrast or brightness click the Channel down arrow and select the color or leave the settings at Master to adjust all the colors Contrast Drag the Contrast slider to the left to decrease the contrast of the image or to the right to increase the contrast of the imag...

Page 44: ...the trees are dark enough and the white of the boat is light enough but the blue in the sky the blue of the water and the blue of the subject s clothing all look the same By increasing the Scanner Gamma value of the image the sky might become lighter and the water darker giving a better contrast to the image The Monitor Gamma value is a reciprocal number of the Scanner Gamma value Channel If you w...

Page 45: ... value into either boxes of the scanner gamma or the monitor gamma will display a respective value in the other box The allowed range of values are 0 10 to 10 00 inclusive The shape of the tone curve changes to reflect the current gamma setting for the current Channel and the image in the Preview Area changes to reflect the adjustment When the Scanner Gammma value is modified the Monitor Gamma val...

Page 46: ...ance an image when the image is either too light or too dark like an overexposed or underexposed photograph Increasing the darker tones with the histogram improves the contrast of the image Channel If you want to select one of the primary colors RGB for adjusting the histogram click the Channel down arrow and select the color or leave the setting at Master to adjust all colors ...

Page 47: ... drag one of the three triangles at the bottom of the graph to adjust the value The shape of the tone curve and histogram changes to reflect the current Histogram setting for the current Channel and the image in the Preview Area changes to reflect the adjustment Note A White point value must be larger than a Black point and a Mid point value must be between the Black point and White point Reset Re...

Page 48: ...B for adjustment or leave the setting at Master to adjust all the colors Select Special Curve Click the down arrow and select a setting from the drop down list These settings are designed to solve some of the most common problems with scanned images overexposure underexposure or poor contrast No correction Fix an image that is underexposed Fix an image that is overexposed Fix an image that is low ...

Page 49: ...iting a Special Tone Curve Directly In the Special Tone Curves graph you can edit the curve directly 1 Click on the curve and drag each curve anchor point until the desired effect is achieved 2 To remove an anchor point altogether drag the anchor point off the graph area ...

Page 50: ...ed to a curve by clicking anywhere in the curve box If you drag a point outside of a curve box it will be deleted from the curve and a new curve will form with the remaining points The x and y axes on the curve chart represent the input image color and output image color When you add a handle to the curve and drag that handle toward the white areas the preview image tones are adjusted to reflect t...

Page 51: ...ode Main window Note If you selected Text Enhanced OCR you cannot make any changes on this sheet You can set only Threshold in this sheet Halftoning Threshold Threshold determines whether portions of an original are scanned as black or white Drag the slider left to make the image lighter or drag it right to make the image darker Or you can also enter a value 0 255 directly into the entry box to th...

Page 52: ...52 chapter 4 What is on the Screen Top Page Glossary Contents Index The Scanner Sheet When you click on the Scanner tab N650U N656U or N1220U the Scanner sheet opens ...

Page 53: ...uct moiré reduction to improve the overall image quality Moiré are dot patterns that interfere with processing images for professional use and are usually caused by poor dithering resulting from scanning images from newspapers books magazines etc Unsharp Mask Click this check box to switch the Unsharp Mask feature on and off Sharpens an image like a photograph that is slightly out of focus by emph...

Page 54: ...form you of the results If a problem is reported after the test use your scanner instructions to troubleshoot the problem During the test do not open the document cover of the scanner Calibration Click this button to start calibration Calibration is the adjustment of color processing for input and output devices so the colors in the scanned image match the colors you see on the computer screen and...

Page 55: ...55 Top Page Glossary Contents Index chapter 5 Scanning an Original Preparing for the Scanning Job Quick Start Previewing and Scanning an Original ...

Page 56: ...pplication Before you start scanning make sure the scanner is connected correctly Always position the original squarely on the scanner platen with the image side down ScanGear CS U lets you correct many undesirable features in scanned images but you will save time and effort by starting with the best possible original If you are scanning a photograph for example make sure the original is in the sh...

Page 57: ...t away The referenced page numbers provide more details about the steps below If you need more information about a procedure go to that page number 1 Install ScanGear CS U p 12 2 Start ScanGear CS U p 59 64 3 Set the original 4 Select the desired Simple or Advanced mode and set the desired settings resolution etc p 31 36 Simple Mode Advanced Mode ...

Page 58: ...Original Top Page Glossary Contents Index 5 Preview the original p 62 66 6 Adjust image as required p 63 67 7 Set the scanning area p 63 67 8 Scan the document p 63 67 9 The image is processed For details the application manual ...

Page 59: ...dure for previewing and scanning an original in the Simple Mode 1 Place the original on the scanner Note For details about positioning the original on the scanner see your scanner user s manual 2 Start the software application you are going to use for example PhotoStudio 2000 3 Pull down the File menu and select the Select Source command or its equivalent In the Select Source dialog box select the...

Page 60: ...ls about acquiring an image with a scanner For example click the File menu and select Acquire or Scan 5 The ScanGear CS U main window opens If the Advanced Mode main window appears click the Simple Mode button Note If you see an image in the Preview Area this means one of the preview settings has been switched on with the Preferences sheet Otherwise the Preview Area is empty ...

Page 61: ...de Resolution Width Height Size Paper Size p 32 35 If you are satisfied with these settings go on to the next step Note On the Simple Mode sheet you click one of the flat buttons the black inverted triangles to open a pop up menu and select another setting You can click the Edit Image Type button and define up to 12 custom Image Types in the Image Type Settings dialog box p 34 Click the Magazine c...

Page 62: ...62 chapter 5 Scanning an Original Top Page Glossary Contents Index 8 Click the Preview button to pre scan the image and display it in the Preview Area ...

Page 63: ...the Advanced Mode button then click the Tone tab to open the Tone Sheet p 40 10 Specify the scanning area Point to one corner of the area of the image that you want to scan Click the left mouse button and while holding the mouse button down drag the mouse pointer to the opposite corner of the area you want to scan Release the mouse button The area will be boxed in by a rectangle 11 Click the Scan ...

Page 64: ... For details about positioning the original on the scanner see your scanner user s manual 2 Start the software application you are going to use 3 Confirm that your scanner is selected in the Select Source or its equivalent dialog box p 59 4 Start ScanGear CS U as a TWAIN driver TWAIN p 97 Refer to your software application user s manual for details about acquiring an image with a scanner For examp...

Page 65: ...ain window appears click the Advanced Mode button Note If you see an image in the Preview Area this means one of the preview settings has been switched on with the Preferences sheet her wise the Preview Area is empty 6 In the Main sheet adjust the settings for the Color Mode Output Resolution Selection Scanning area and Scale ...

Page 66: ...ary Contents Index 7 In the Scanner sheet specify a variety of settings for operation of the scanner p 52 8 Click the Preview button to pre scan the image and display it in the Preview Area 9 Click a button in the Toolbar p 27 to manipulate the image ...

Page 67: ...t you want to scan Click the left mouse button and while holding the mouse button down drag the mouse pointer to the opposite corner of the area you want to scan Release the mouse button The area will be boxed in by a rectangle 12 After performing all the settings click the Scan button to scan the image The image is acquired in the software application 13 Close the ScanGear CS U window You can edi...

Page 68: ...68 Top Page Glossary Contents Index chapter 6 Settingsinthe WindowsControlPanel Opening Scanners and Cameras Properties General Settings Events Settings Preferences Settings Color Management Settings ...

Page 69: ...rol Panel Scanners and Cameras Properties dialog can be opened with the following procedures Be sure to close ScanGear CS U for this operation 1 On the Windows desktop click the Start button point to Settings and click Control Panel 2 In the Control Panel window double click the Scanners and Cameras icon 3 In the Scanners and Cameras Properties window click the name of the scanner and click the Pr...

Page 70: ...tive sheet 5 Confirm that the settings are apropriate Otherwise make changes as necessary After the changes are made click the Apply button to validate the changes 6 Click the OK button The dialog is closed and the Scanners and Cameras properties dialog is activated 7 Click the OK button The setting are completed The changes will be effective the next time you launch the ScanGear CS U ...

Page 71: ... diagnostic testing Executing a Diagnostic Test Follow the procedure below to execute the scanner diagnostic test 1 Click the Test Scanner button The scanner diagnostic test begins If the test detects no problems a message will tell you that the scanner has passed the diagnostic test 2 Click the OK button Note You cannot perform the scanner diagnostic test while ScanGear CS U is starting ...

Page 72: ... all of the TWAIN compliant software applications which can be started when you press the Start button on the scanner Click the check box on to select the software application to be started by pressing the Start button on the scanner After installing all the software with using the CanoScan Setup Utility CD ROM only the check box for CanoScan Toolbox CS is checked on Disable device events Click th...

Page 73: ...lor Mode to Color Photos The default setting is Off Text Enhanced OCR instead of B W When you place a check mark in this check box the scan will be executed in Text Enhanced OCR if even the application software sets the Color Mode to Black and White The default setting is Off Color Settings When the Color Mode is set to Color Photos or Color Documents you can select the color adjusting method for ...

Page 74: ...w feature on When this feature is selected a preview is executed automatically when ScanGear CS U is launched and an image of the original on the scanner is displayed in the Preview Area Display saved preview image This setting switches the preview image cache feature on When this feature is selected the image in the Preview Area is saved when ScanGear CS U is closed and then displayed again the n...

Page 75: ...anon ColorGear Color Matching Click the Canon ColorGear Color Matching check box on in the Preferences sheet The sRGB Color Space Profile is added automatically when ScanGear CS U is installed If several profiles have been added only the most recent profile added is enabled Even if you delete all profiles the sRGB Color Space Profile will remain automatically selected ...

Page 76: ...76 Top Page Glossary Contents Index chapter 7 Troubleshooting Pre Scan Checklist How to Avoid Problems Troubleshooting Checklist ...

Page 77: ... sure that the ScanGear CS U software was installed successfully Confirm that the cables between your computer and scanner are connected securely Before scanning or previewing check that the data source has been selected If your scanner does not appear as an option when you select a TWAIN source to scan from your imaging software you have to install ScanGear CS U again p 12 ...

Page 78: ...ing files that require a large amount of disk space Match your Color Mode to the output purpose If you are scanning text use the Text Enhanced mode If you are scanning line art use the Black and White setting and so on Match your scan resolution to the type of file you need If you are scanning images for use as GIF or JPG files on the Web you do not have to scan at 600 dpi Although it is recommend...

Page 79: ...r 7 Troubleshooting Top Page Glossary Contents Index If you are using OCR software scan in Text Enhanced at 300 dpi or higher Take advantage of the preview feature and preview as much as you want before scanning ...

Page 80: ...ew image appear different from the colors in the original image Cause The scanned colors need to be adjusted Solution Make sure the Auto Tone button is selected If further adjustments are necessary use the Tone sheet buttons The preview image of a photograph appears blurred but the scanned image of the same photograph appears sharp Problem When zooming in on a photograph in the Preview Area the en...

Page 81: ...he color balance in the printer driver manually Solution2 Change the Gamma value setting of the printer driver The software application cannot find the scanner Problem When trying to scan an error message says the scanner cannot be found Cause Windows may not recognize your scanner Solution Make sure the scanner is connected to your computer before you turned on the computer and started Windows If...

Page 82: ...ware application The scanner configuration file may have been changed Solution Make sure the scanner is properly connected to your computer before you turn on the computer and start Windows If not connect the scanner Then restart your computer Make sure you selected the correct scanner in the parent software application For details see your software application documentation for instructions If ne...

Page 83: ...mputer Before scanning quit other applications that are not in use Parts of images are missing or not aligned Problem Some characters are missing from the image in the Preview Area or the image is not aligned in the Preview Area Cause The page has been placed on the scanner improperly Solution Check the scanner and place the original correctly to adjust the image Image is too light or too dark com...

Page 84: ...annot be viewed in the Preview Area for adjustment Cause If you have a high resolution setting on your monitor the ScanGear CS U window is smaller than if you had a lower resolution setting Solution Drag the Window Resize Corner p 26 on the lower right of the ScanGear CS U window to enlarge the entire window or lower your monitor s resolution with the Control Panel ...

Page 85: ...85 Top Page Glossary Contents Index Glossary ...

Page 86: ...ched from the parent software application To switch this feature on and off open the Preferences sheet for your scanner and click the button for Automatically execute a preview p 74 Bits and Bit Depth A bit Binary digit is the smallest possible unit of information on a computer it represents yes or no on or off 1 or 0 Bit Depth is used to describe the complexity of a graphic image One bit or bi le...

Page 87: ...tion refers to the adjustment of color processing for input and output devices on a computer so that the colors match throughout the process For example calibration ensures that the color image scanned on a scanner matches the original image when it is displayed on the computer monitor as well as printed on a color printer Canon ColorGear Color Matching Canon s process of matching the color profil...

Page 88: ...oduce Color matching lets your system display colors so that the color on your monitor and printer matches the colors scanned See also Canon ColorGear Color Matching Color Mode The type of scan used to scan an image differentiated by the number of bits per pixel ScanGear CS U has the following Color Modes Color Photo Color Documents Charts Grayscale Text Enhanced OCR and Black and White Contrast C...

Page 89: ...d image and the available feature settings Curve file A file containing Special Tone Curve settings Tone tab Special Tone Curves Custom curves A user defined Special Tone Curve that may be saved in a file Tone tab Special Tone Curves Default The preset factory settings on hardware or software Digitizing The process of converting an image into computer usable digital information that can be saved a...

Page 90: ...sed to sample the Black point Mid point and White point areas in the previewed image Tone tab Histogram Full Platen The maximum scanning area on the scanner s document glass 216 x 297 mm width of U S Letter and length of A4 paper sizes Gamma Curve The Gamma Curve lets you change the midtones of colors to increase the contrast between colors and enhance the overall image When you increase the Gamma...

Page 91: ...current selection or if there is no selection the maximum vertical output size based on the currently selected Paper Size Histogram The Histogram displays the distribution of bright and dark pixels for each color channel in the previewed image The Eyedropper tool on the histogram graph lets you redefine the tonal profile Keep Proportions button The Keep Proportions button affects the selection and...

Page 92: ... patterns are caused by poor dithering as a result of scanning images from published materials like newspapers magazines books etc When the Descreen feature is on moiré reduction smoothes the overall appearance of the image and enhances image quality OCR Optical Character Recognition OCR Optical Character Recognition software converts text images into actual text characters readable by a word proc...

Page 93: ...ixel An acronym for picture element a pixel is the smallest element used to create a screen image It can contain up to 42 bits of color information Platen The scanner s document glass where originals are placed for scanning Preset Curves A set of curves designed to fix common photographic image problems such as underexposure overexposure or low contrast Preview Area The area located to the left of...

Page 94: ...enever you change either the width or the height Resolution The degree of detail translated into the number of pixels or dpi which a device such as a scanner video monitor printer or other image displaying device can display or reproduce See also dpi Pixel Scan Resolution Rotate Left The Rotate Left tool rotates the preview display 90 degrees counterclockwise If the Preview Area is in portrait ori...

Page 95: ...can be saved as a file or converted to a text file using OCR software Scan Resolution A list of preset levels of detail expressed in dots per inch dpi for the scanned image available from the Resolution list See also dpi Pixel Resolution Sliders On some of the controls in ScanGear CS U for example the Contrast Brightness tool you click the slider and move it to the left or to the right to change t...

Page 96: ...l is determined to become either black or white The Threshold slider is on the Halftone sheet Adjust the Threshold value when you are scanning a grayscale or halftone original with the Black and White setting Tone Curve The curve displayed with the Tone tab tools to indicate the Black Mid and White point tones in a color or grayscale preview image You cannot edit the curve except with the Special ...

Page 97: ...f Universal Serial Bus an interface for external devices connected to a computer and easilly used simply by plugging and unplugging the USB cable while the computer is switched on White point The lightest portion of the image scanned as Color or Grayscale When you click on the image with the White point eyedropper all tones lighter than the selected sample tone are adjusted to white Width The Widt...

Page 98: ...ndex X and Y Axes The X and Y axes on the Tone sheet curve chart represent respectively the input image color and output image color Zooming Enlarging an image or a selected part of the image in the preview window or in a graphics application ...

Page 99: ...99 Top Page Glossary Contents Index Index ...

Page 100: ...n function 30 Color Mode Main sheet 36 Simple Mode sheet 32 ColorGear Profile Color Management sheet 75 Contrast Brightness button 41 Contrast Brightness sheet 43 Crop button 27 D Descreen Scanner sheet 53 E Edit Image Type button Simple Mode sheet 34 G Gamma button 41 Gamma sheet 44 H Halftone sheet Threshold 51 Help opening on line help 10 Help button 29 Histogram button 41 Histogram sheet 46 ...

Page 101: ...ed Mode 23 Simple Mode 22 Mirror Button 28 Move Image button 27 N Negative Positive button 28 O Output Resolution Advanced Mode main window 38 P Paper Size Scanner sheet 53 Simple Mode Sheet 35 Preferences sheet Automatically quit ScanGear CS U after scanning 74 Color Settings 73 Preview at opening of ScanGear 74 When application hides the driver user interface 73 Preview Area 26 Preview button fu...

Page 102: ...ction Main sheet 39 Simple Mode scanning in 59 selecting custom Image Types 34 switching to Advanced Mode 21 Simple Mode main window summary 22 Simple Mode sheet Color Mode 32 Edit Image Type button 34 Height 34 Image Type 31 Magazine 35 Paper Size 35 Resolution 34 Size 34 Width 34 Special Tone Curves button 41 Special Tone Curves sheet 48 editing a curve directly 49 System requirements hardware 8...

Page 103: ... 29 Mirror button 28 Move Image button 27 Negative Positive button 28 Rotate Left button 28 Rotate Right button 29 Rulers button 29 Zoom Tool button 28 Troubleshooting 76 TWAIN source Select Source dialog box 59 selecting 59 U Uninstallation 16 Units Main sheet 39 W Width and Height Main sheet 39 Z Zoom Tool button 28 ...

Page 104: ... 7220411 Fax 02 7213274 Helpdesk 02 7220404 CANON GmbH Zetschegasse 11 1232 Wien Austria CANON SCHWEIZ A G Industriestrasse 12 CH 8305 Dietlikon Switzerland Tel 01 835 61 61 Fax 01 835 68 60 Hotline 157 30 20 CANON ESPAÑA S A C Joaquin Costa No 41 28002 Madrid Spain Help Desk 906 301255 Tel 91 5384500 Fax 91 4117780 CANON AUSTRALIA PTY LTD 1 Thomas Holt Drive North Ryde Sydney N S W 2113 Australia...

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