When The Scanned Image Is Not Normal - Canon DR-5020 Instructions Manual

Chapter 3 Troubleshooting
If there is a problem in the scanned image (image is not sharp or stripes appear in
the image), one of the following may be a probable cause. Check as follows and
take the appropriate remedy.
The scanning glasses and rollers on the scanner are dirty.
If the scanning glasses and rollers on the scanner are dirty, that dirt will appear
on the scanned image.
Clean the scanning glasses and rollers. For details, see Chapter 5 "Daily
Cleaning" (P.83) in the separate DR-5020/5080C Instructions.
The scan conditions are inappropriate.
When the scan condition setup is inappropriate, the scanned image will not be
sharp or appears darkish.
Check the brightness, contrast and other settings.
If the scanned image is foggy or the document is not scanned at all, a
probable cause is that brightness is set too high.
If the scanned image appears darkish, a probable cause is that the
brightness is set too low.
Scanning Utility 5000 does not run correctly.
If the document cannot be scanned correctly even if the scan conditions are
adjusted, a probable cause is that Scanning Utility 5000 is not running
correctly.
Re-install the Scanning Utility 5000. See "1.2 Installing Scanning Utility
5000" (P.7).
Other Causes
If the above remedies do not rectify the problem, contact a Canon service
department.
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When The Scanned Image
is Not Normal