Canon 4.1 manual Bit/14/16bit Grayscale and 24-bit/42/48bit Color, Black & White, Bit Color

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S T E P 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.

8-bit/14/16bit Grayscale and 24-bit/42/48bit Color:

	■ Tone Adjustment
	■ Histogram Settings
	■ Tone Curve Settings
	■ Brightness and Contrast Settings
	■ Adjusting Color Balance
	■ Gamma Value Settings
Black & White:	■ Adjusting Threshold Value
24-bit Color:	■ Auto Tone Correction (ColorSync™)
	■ Unsharp Mask
	■ Descreen
	■ High-speed Scan Mode
	■ Saving/Recalling Settings
	■ Scanning Techniques

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Contents Users Guide When you open the box How to Make Best Use of the ManualsHow to Use this Guide Where to LookAbout the Conventions Used in this Guide Table of Contents Adjusting Scanned Images Operating Environment Installing Plug-in Module CS-UPp -20Image Size Control Panel FeaturesE P Scanning ProceduresPlug-in Module CS-U Special Features Position materials for scanning and preview them. p Install Plug-in Module CS-UQuick Start Instructions Start Plug-in Module CS-U pMouse pointer over the image Verify Image Quality with the Browser Function beforeSpecify the Area of the Image to be Scanned Select the area to be scanned by clicking and draggingSave the image with Adobe Photoshop LE or other plug-in Scan the ImageSave the Scanned Image Click on the Scan buttonE P RGB Values Displaying the Plug-in Module CS-U Control PanelOperating Procedures Procedures Positioning OriginalsPlace the original on the scanners document glass Click on the Preview button PreviewingSelecting the Output Device Output Device Resolution= 720 dpi, Magnification= 100% Setting the Resolution and MagnificationSet the desired magnification factor on the control panel To Set the Magnification FactorSetting the Scan Mode Select a scan mode from the pop-up menu Click the arrow beside Scan ModeTo Verify the Image Verifying the Image before ScanningUse these buttons to rotate the image Rotating the ImageSetting Preferences Output DeviceAspect Ratio Preview Window UnitPlaten/Film Reset Default SettingsShut off lamp time Close Plug-in After ScanOperating Procedures Scanning Position the pointer in the preview window Setting the Scan AreaProcedures to Zoom ZoomingSelect the area you want to enlarge with the zoom function Click on the Zoom In button Click close box to guit the Plug-in Module CS-U ScanningTo Initiate the Scan Specify the Scan AreaEnter a name for the file and click the Save button Saving Scanned ImagesScanning Film Save Exposure Data Auto ExposureClick on the Scan button Remove Dust and Scratches CanoScan D2400U only Bit/14/16bit Grayscale and 24-bit/42/48bit Color Black & WhiteBit Color Tone Adjustment Dialog Tone AdjustmentHow to Interpret Histograms Histogram SettingsHow to Adjust Histograms To Adjust a HistogramShadow Mark Click on the OK buttonManipulating the Graph Tone Curve SettingsClick the OK button To Edit the Tone CurveGamma Value = Relationship Between the Tone Curve Image BrightnessBrightness and Contrast Settings ContrastBrightness To Adjust the Brightness and Contrast Operating Procedure Adjusting the Color BalanceGamma Value Settings Matching the Gamma Value to the Display CharacteristicsGamma value To Change the Gamma Value Settings To Set the Threshold Value Adjusting the Threshold ValueColorSync Auto Tone CorrectionTo Set the Auto Tone Correction RecommendedOpen the Image menu and select Unsharp Mask Unsharp MaskOpen the Image menu and select Descreen DescreenSelect High-speed Scan Mode from the Image menu High-speed Scan ModeSaving/Recalling Settings To Save Settings in a Settings FileClick the Save button To Recall a Settings File Scanning Techniques Matching Scan Resolution to PurposeAppendices Troubleshooting Problem Scan button cannot be selected Problem Scanning is taking a long time Problem Scanning quality is poor Error Messages Error Message CauseResponse Glossary Dot ColorImage File Optical ResolutionGrayscale HistogramPreview Area ResolutionPixel Plug-in SoftwareTone Curve Scan ModeShadows Threshold ValueOutput device 7, 11, 18, 25 IndexScan 12, 33 Scan area 11 Canon U.S.A., INC Canon Customer Support Help Desk