Canon CanoScan FB 630U User Manual - Page 64

the scanned image of the same photograph appears sharp., Colors are not what you expect.

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chapter 6 Troubleshooting Top Page Glossary Contents Index Troubleshooting The scanner diagnostics test fails. Problem: Cause: Solution: The Scanner Diagnostics test started with the Test Scanner button on the Scanner sheet, returns a Test Failed message. The scan head may not be in its home position. Close the ScanGear CS window if it is open. Colors are not what you expect. Problem: Cause: Solution: The colors in the preview image appear different from the colors in the original image. The scanned colors need to be adjusted. 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: Cause: Solution: When zooming in on a photograph in the Preview Area, the enlarged image appears blurred. The preview scan uses a lower resolution than the final scan. If you zoom in on a preview image so it is enlarged 1.5x or more, the image will not maintain its resolution in the same way as the final scanned image. Select a magnified area and preview the image again. The prescan should display a sharper image. 64

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Top
Page
Glossary
Contents
Index
64
chapter 6
Troubleshooting
Troubleshooting
The scanner diagnostics test fails.
Problem:
The Scanner Diagnostics test started with the Test
Scanner button on the Scanner sheet, returns a Test
Failed 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 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 enlarged image appears blurred.
Cause:
The preview scan uses a lower resolution than the
final scan. If you zoom in on a preview image so it
is enlarged 1.5x or more, the image will not
maintain its resolution in the same way as the final
scanned image.
Solution:
Select a magnified area and preview the image
again. The prescan should display a sharper image.