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107

Glossary

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Glossary

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Index

Text Enhanced

A feature used by ScanGear CS-U to increase the accuracy of text scans.
When Text Enhanced is selected for the Color Mode, images are scanned
as Grayscale (8 bits per pixel) and converted to Black and White (1 bit
per pixel) using Canon ImageTrust processing software.

Threshold

In a black-and-white image, the point at which a gray pixel 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 Tone Curves tool.

Tone sheet

The Tone sheet contains tools that let you adjust and correct the image
tone. The Tone sheet tools include Auto Tone, Contrast/Brightness,
Gamma, Histogram, and Special Tone Curves.

Toolbar

A set of ScanGear CS-U tool buttons, located above the Preview Area,
for image selection, orientation, and other basic adjustments.

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Summary of Contents for CanoScan D1230UF

Page 1: ...ScanGear CS U 6 1 for CanoScan D1230U D2400U Color Scanner User s Guide ...

Page 2: ...guage 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 Millennium Edition...

Page 3: ...d Advanced Mode 20 What are the Simple Mode and Advanced Mode 21 Switching Between the Simple and Advanced Modes 22 Simple Mode Main Window 23 Advanced Mode Main Window 24 Capter 4 What is on the screen 26 Main Window 27 Toolbar 28 Scanning Buttons 31 Simple Mode Main Window 32 Advanced Mode Main Window 39 The Main Sheet 39 The Tone Sheet 43 Contrast Brightness Sheet 46 Gamma Sheet 47 Histogram Sh...

Page 4: ...canning in the Advanced Mode 70 Scanning Film 74 Capter 6 Settings in the Windows Control Panel 77 Opening Scanners and Cameras Properties 78 General Settings 80 Events Settings 81 Preferences Settings 83 Color Management Settings 85 Capter 7 Troubleshooting 86 Pre Scan Checklist 87 How to Avoid Problems 88 Troubleshooting Checklist 90 Glossary 96 Index 110 Customer Support Help Desk 115 ...

Page 5: ...5 Top Page Glossary Contents Index chapter 1 Before You Begin Welcome to ScanGear CS U 6 1 System Requirements Getting Help in ScanGear CS U ...

Page 6: ... 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 Flexible fully automatic image acquisition and pr...

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: ...determined by your system 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 should have at leas...

Page 9: ...apter 1 BeforeYouBegin Top Page Glossary Contents Index Software Microsoft Windows Millennium Edition 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: ... an 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 6 1 Note With Windows 2000 Professional ensure that you l...

Page 13: ...displays confirm that Automatic search for a better driver Recommended is selected If you selected Specify the location of the driver in Step 2 and then clicked the Next button click the Back button and redo the procedures starting from Step 2 3 Place the CanoScan Setup CD ROM in the drive 4 Wait for approximately 10 seconds then click the Next button The driver will begin to install If the Window...

Page 14: ...ton If you use the multi language CanoScan Setup Utility CD ROM After you have attached the scanner to the computer have the CanoScan Setup CD ROM at hand and follow the procedures below to install the driver software ScanGear CS U 1 Turn the computer on 2 When the Add New Hardware Wizard displays select Specify the location of the driver advanced and click the Next button ...

Page 15: ... checked Then click the Browse button 5 From the CanoScan CD ROM select the Scangear folder followed by the appropriate language folder and click the OK button 6 Confirm that the correct folder and path appear beside the Specify a location option and click the Next button 7 When the name of the scanner appears click the Next button The driver will begin to install 8 When the Windows has finished i...

Page 16: ...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 Windows 98 Windows 2000 Professional ...

Page 17: ...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 18: ... 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 19: ...to the computer 1 Place the CanoScan Setup Utility CD ROM in the drive 2 Click Uninstall the Software in the CD ROM s menu window 3 Click Uninstall ScanGear CS U in the Uninstall menu window 4 Windows Me 98 Click Yes in the comfirmation dialog Windows 2000 Scanners and Cameras property dialog displays Select CanoScan D1230U or CanoScan D2400U and click Remove 5 If you will re install ScanGear CS U...

Page 20: ...20 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 21: ...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 22: ... 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 23: ...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 24: ...o perform 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 D1230U D2400U is displayed on the tab of the Scanner sheet ...

Page 25: ... chapter 3 Simple Mode and Advanced Mode Top Page Glossary Contents Index If you select Black and White or Text Enhanced for the Color Mode on the Main sheet the Tone tab is replaced with the Halftone tab ...

Page 26: ...26 Top Page Glossary Contents Index 4 What is on the screen Main Window Toolbar Scanning Buttons Simple Mode Main Window Advanced Mode Main Window ...

Page 27: ...What is on the Screen Top Page Glossary Contents Index Preview Button Scan Button Clear Button Preview Area Tool Bar Title Bar Window Resize Corner Close Box Setting Tab Mode Switching Button Status Area Main Window ...

Page 28: ...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 29: ...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 30: ...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 31: ...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 settings for th...

Page 32: ...ou automatically for optimum scanning results Here is a summary of the available Image Type settings for the image Color Mode and Resolution Color Screen Color 75 dpi Use to scan the original as it appears on the monitor Color Photo Color 150 dpi Use to scan color photographs Color Photo Fine Color 300 dpi Use to scan color photographs for best quality in the scanned image BJ Printer Color 360 dpi...

Page 33: ...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 200 dpi Use to scan an original that you intend to send by facsimile OCR Text Enhanced 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 currently...

Page 34: ...ting Black and White or Text Enhanced 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 is selected when ScanGear CS U is started and then another Image Type selected then the Resolution setting...

Page 35: ...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 36: ...Source clears the image from the Preview area and clears all settings set with the Toolbar and Tone sheet buttons Paper Size Specifies the paper size of the image to be scanned Changing the Paper Size clears the Preview area and clears all settings set with the Toolbar and Tone sheet buttons Business Card Statement B5 Executive Letter A4 Full Platen L Portrait L Landscape LL Portrait LL Landscape ...

Page 37: ...AU is installed and when Film has been selected for the Image Source 35mm Sleeve 35mm Mount 120 Format 4 5x6 120 Format 6x6 120 Format 7x6 120 Format 8x6 120 Format 9x6 120 Format 12x6 4x5 If the Film Size selection is changed here the Advanced Mode Film Size setting also changes When Film has been selected for Image Source the crop size and position in the Preview Area is automatically set to mat...

Page 38: ...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 newspapers books magazines etc This function is the same as the Descreen function in the Advanced mode ...

Page 39: ... 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 Grayscale 14 16 bit While the Grayscale mode scans at 8 bits this mode scans at 14 or 16 bits to achieve a particularly high quality image Each pixel is expressed with...

Page 40: ... Canon ImageTrust technology This setting produces sharper text which will be easier for OCR software to read Grayscale 14 bit and Color 42 bit is selectable with the CanoScan D1230U and Grayscale 16 bit and Color 48 bit with the CanoScan D2400U The Text Enhanced and Grayscale selections require more time that the Black and White setting in order execution digitization of the scanned images Select...

Page 41: ...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 42: ...ing 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 area...

Page 43: ...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 44: ...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 The Contrast Brightness Gamma Histogram and Special Tone cur...

Page 45: ...Color or Color 42 48 bit the user defined settings are saved to a file adc for color adjustment When Color Mode is set for Grayscale or Grayscale 14 16 bit 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 th...

Page 46: ...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 47: ...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 48: ... 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 49: ...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 50: ... 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 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 Resets ...

Page 51: ...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 52: ...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 53: ... 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 the ch...

Page 54: ...ode Main window If you selected Text Enhanced 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 the right o...

Page 55: ...U D2400U the Scanner sheet opens Image Source Specifies the source of the original Platen Scans the photos or documents Film Scans films from the Film Adapter Unit FAU Changing the Image Source setting clears the image from the Preview Area and clears all the settings set with the Toolbar or the buttons on the Tone Sheet Note ...

Page 56: ...dscape LL Portrait LL Landscape Postcard 4 x6 Changing the Paper Size clears the Preview area and clears all settings set with the Toolbar or the buttons on the Tone sheet buttons Film Type Specifies the film type to be captured from the Film Adapter Unit FAU This item is displayed only when the FAU is installed and when Film has been selected for the Image Source Color Positives Color Negatives B...

Page 57: ... position changes automatically when the Film Size setting is changed or when the Image Source Platen setting is switched to Film Adapter The crop size and position can also be adjusted manually Auto Exposure This function is available when Image Source is set to Film When On this function automatically sets the exposure light intensity and compensation for each RGB channel to match the brightness...

Page 58: ...matched color tones Descreen 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 newspapers books magazines etc Unsharp Mask Click this check box to switch the Unsharp Mask feature o...

Page 59: ...essing This function cannot be used with black and white film It may also fail to have any effect on KODACHROME film Areas under dirt and scratches may not be removed if the selected scan area is too small There are occasions when areas under dirt or scratches on the top or bottom edges cannot be removed If the edge of the film guide is included in the scan area the areas under dirt or scratches a...

Page 60: ...scan after ScanGear CS U is started make take some time even when the high speed scanning mode is selected Energy Saving Mode Click this check box to put the scanner in the energy save mode If the scanner remains idle for the amount time specified in the Shut Off Lamp Time box the scanner lamp switches off As soon as you start another scanning job the lamp switches on again Shut Off Lamp Time This...

Page 61: ...61 Top Page Glossary Contents Index chapter 5 Scanning an Original Preparing for the Scanning Job Quick Start Previewing and Scanning an Original ...

Page 62: ...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 63: ...e referenced page numbers provide more details about the steps below If you need more information about a procedure go to that page number 1 Set the original on the Scanner 2 Start the application program 3 Start ScanGear CS U p 66 70 4 Select the desired Simple or Advanced mode and set the desired settings resolution etc p 32 39 Simple Mode Advanced Mode ...

Page 64: ...iginal Top Page Glossary Contents Index 5 Preview the original p 68 72 6 Adjust image as required p 69 73 7 Specify the scanning area p 69 73 8 Scan the document p 69 73 9 The image is processed For details the application manual ...

Page 65: ...the general procedure 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 Photoshop LE 3 If other TWAIN driver is installed on your computer you must choose this scanner Click the File menu and sel...

Page 66: ...For example of Photoshop LE click the File menu and select Acquire See the respective manuals for other programs 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 Automatically execute a preview is On with the Preferences sheet p 84 Otherwise the Preview Area is empty ...

Page 67: ...de Resolution Width Height Size Paper Size p 33 38 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 35 Click the Magazine c...

Page 68: ...oomed image will appear coarse and it may not be possible to make fine selections or adjust image settings If you use the following method you can zoom in on a selected area only and it will be clearly displayed in magnified form in the preview area Select the area of the image you wish to zoom Press and hold the Shift key while you click the Preview button The selected area of the image will be p...

Page 69: ...the Advanced Mode button then click the Tone tab to open the Tone Sheet p 43 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 70: ...nal 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 3 Confirm that your scanner is selected in the Select Source or its equivalent dialog box p 65 4 Start ScanGear CS U as a TWAIN driver The mothods for starting TWAIN drivers vary between application programs See the respective manual...

Page 71: ... main window appears click the Advanced Mode button Note If you see an image in the Preview Area this means Automatically execute a preview is On with the Preferences sheet p 84 Otherwise 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 72: ...om in on the image in the preview area the zoomed image will appear coarse and it may not be possible to make fine selections or adjust image settings If you use the following method you can zoom in on a selected area only and it will be clearly displayed in magnified form in the preview area Select the area of the image you wish to zoom Press and hold the Shift key while you click the Preview but...

Page 73: ...er 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 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 S...

Page 74: ...anning Film guide supplied with the FAU to learn how to set film on it 1 Place the film in the film guide set the loaded film guide on the platen and close the document cover 2 Select Film as the Image Source In Advanced mode click the Scanner tab and select it The Preview area shape will change to a horizontal rectangle and allow you to set the film type and film size Simple Mode Advanced Mode ...

Page 75: ...ntents Index 3 Select the Film type and Film size Select positive or negative color or monochrome to match your film 4 Click the Preview button The image is displayed in the preview area Specify the scan area of the preview image Simple Mode Advanced Mode ...

Page 76: ...f the selected film size when the Auto Exposure is set to On If it extends beyond the edges of the film or is too small the auto exposure function will not operate correctly At low temperatures the preview scan may take some time to start because the fluorescent lamp inside the scanner is not sufficiently warmed If a preview image is too bright or dark in a low temperature environment please perfo...

Page 77: ...77 Top Page Glossary Contents Index chapter 6 Settingsinthe WindowsControlPanel Opening Scanners and Cameras Properties General Settings Events Settings Preferences Settings Color Management Settings ...

Page 78: ...canners 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 Properties bu...

Page 79: ...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 80: ... 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 81: ... button on the front of the scanner or select Canon FAU Push Button for the film scan button on top of the document cover Send to this application The list box provides the names all of the TWAIN compliant software applications which can be started when you press the Start button on the scanner Click the check box to select the software application to be started by pressing the Start button on the...

Page 82: ...is check box off disables the Start button on the scanner nothing will happen if the button is pressed Note The settings will become effective for the button for which the scanner events have been selected To set both buttons click the Apply button after you have finished the settings for one button and then adjust the settings for the other button ...

Page 83: ...en you place a check mark in this check box the scan will be executed in Text Enhanced 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 you can select the color adjusting method for scanning from Recommended Canon ColorGear Color matching or None The default setting is Recommended Recommended Repro...

Page 84: ...hes the automatic preview 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 pr eview 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 t...

Page 85: ...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 86: ...86 Top Page Glossary Contents Index chapter 7 Troubleshooting Pre Scan Checklist How to Avoid Problems Troubleshooting Checklist ...

Page 87: ... 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 88: ...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 89: ...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 90: ...ke sure the Auto Tone button is selected If further adjustments are necessary use the Tone sheet buttons Cause2 The calibration slot on the film guide is obstructed Solution Clear the item blocking the calibration slot The preview image of a photograph appears blurred Problem When zooming in on a photograph in the Preview area the enlarged image appears blurred Cause The preview scan uses a lower ...

Page 91: ...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 92: ...start your computer Cause2 You may have chosen the wrong scanner source in your software application Solution Make sure you selected the correct scanner in the parent software application For details see your software application documentation for instructions Cause3 The scanner configuration file may have been changed Solution Uninstall ScanGear CS U p 19 then reinstall ScanGear CS U p 12 Can t s...

Page 93: ...ee if there is enough memory available in your computer Before scanning quit other applications that are not in use Cause 2 DMA option for computer s hard disk drive is not turned on Solution Turn on the DMA option in the System Properties dialog as described below Windows 98 Me 1 Right click the My Computer icon on the Windows desktop 2 Select Properties from the pop up menu and click the Device ...

Page 94: ...TA ATAPI Controllers 4 Select Primary IDE Channel right click it to show the pull down menu and select Properties 5 Click the Advanced Settings 6 In the Device 0 select DMA if available in the Transfer Mode 7 Click OK 8 Close the Device Manager window and click OK to close the System Properties window 9 Restart the Computer Please consult the manufacturer of your computer for confirmation that the...

Page 95: ...the original Cause Image and color adjustments may not have been set properly Solution The best solution is to scan the image using all default settings again Then make imaging and color adjustments as necessary The preview image is too small on the monitor Problem The image in the Preview Area is very small and cannot be viewed in the Preview Area for adjustment Cause If you have a high resolutio...

Page 96: ...96 Top Page Glossary Contents Index Glossary ...

Page 97: ...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 84 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 98: ...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 99: ...ets 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 Grayscale Text Enhanced and Black and White Contrast Contrast refers to the difference between the lightest l...

Page 100: ...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 101: ...iewed image Tone tab Histogram FAU An acronym for Film Adapter Unit an optional backlighting device that allows you to scan film negatives or slides to create photographic images 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 contra...

Page 102: ... 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 an...

Page 103: ...é 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 pro...

Page 104: ...te 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 the ScanGear CS U main window where the image is displayed before the scan occu...

Page 105: ... Adapter Unit FAU S13 equipped CanoScan D2400U It utilizes the properties of infrared light to detect small flecks of dirt or scratches on film and retouches them 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 T...

Page 106: ... 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 ...

Page 107: ... 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 Tone Curves tool Tone sheet The Tone sheet contains tools that let you adj...

Page 108: ...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 109: ...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 110: ...110 Top Page Glossary Contents Index Index ...

Page 111: ...atching 85 98 Canon ImageTrust 98 CanoScan Setup Utility CD ROM 16 19 Channel 46 47 49 51 98 Clear Button 27 31 Close Box 27 Close the ScanGear CS U 69 73 Color Channels 99 Color Management Settings 85 Color Matching 99 Color Mode 33 39 99 Black and White 39 Color 40 Grayscale 39 Text Enhanced 40 Contrast 46 99 Contrast Brightness button 44 Contrast Brightness Sheet 46 Crop 100 Crop Button 28 Curv...

Page 112: ...ull Platen 101 G Gamma 48 Gamma button 44 Gamma Curve 101 Gamma Sheet 47 Grayscale 102 H Halftone Sheet 54 Halftoning 102 Height 35 102 Help Button 30 Histogram 102 Histogram button 44 Histogram Sheet 49 I Image Source 36 55 74 Image Type 32 Install 12 K Keep Proportions button 42 102 L Low contrast 102 M Main Sheet 39 Mid point 50 103 Mid tone 103 Mirror Button 29 Mode Switching Button 27 moiré r...

Page 113: ...er interface 83 Preset Curves 104 Preview 68 72 75 Preview Area 27 104 Preview Button 27 31 Preview image cache 105 Proportion 105 R Reset 50 Reset button 45 Resolution 35 105 Rotate Left 105 Rotate Left Button 29 Rotate Right 105 Rotate Right Button 30 Rulers Button 30 S Sampling 105 Scale 42 106 Scan 69 73 76 Scan Button 27 31 106 Scan Resolution 106 ScanGear CS U main window 66 71 Scanner 106 S...

Page 114: ...S U 66 70 Statement 106 Status Area 27 Status Bar 106 T Text Enhanced 107 Threshold 54 107 Title Bar 27 Tone Curve 107 Tone Sheet 43 107 Tool Bar 27 28 107 Troubleshooting 86 TWAIN 108 TWAIN driver 66 70 U Underexposed 108 Uninstall 19 Units 42 Unsharp Mask 58 108 USB 108 USB port 12 W White point 50 108 Width 35 108 Width and Height 42 Width Height ratio 108 Window Resize Corner 27 Windows 98 8 X...

Page 115: ...gasse 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 DANMARK Vasekær 12 DK 2730 Herlev Denmark Hotline 44 88 26 66 http www canon dk CANON NORGE AS Hallagerbakken 110 Boks 33 Holmlia 1210 Osl...

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