Canon CanoScan FB 630U User Manual

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Canon CanoScan FB 630U User Manual Manual pdf 64 page image

Top PageGlossaryContentsIndex64chapter 6TroubleshootingTroubleshootingThe scanner diagnostics test fails.Problem: The Scanner Diagnostics test started with the TestScanner button on the Scanner sheet, returns a TestFailed message.Cause: The scan head may not be in its home position.Solution: Close the ScanGear CS window if it is open.Colors are not what you expect.Problem: The colors in the preview image appear differentfrom the colors in the original image.Cause: The scanned colors need to be adjusted.Solution: Make sure the Auto Tone button is selected. Iffurther adjustments are necessary, use the Tonesheet buttons.The preview image of a photograph appears blurred butthe scanned image of the same photograph appears sharp.Problem: When zooming in on a photograph in the PreviewArea, the enlarged image appears blurred.Cause: The preview scan uses a lower resolution than thefinal scan. If you zoom in on a preview image so itis enlarged 1.5x or more, the image will notmaintain its resolution in the same way as the finalscanned image.Solution: Select a magnified area and preview the imageagain. The prescan should display a sharper image.