Canon CanoScan FB 620P Product Guide - Page 65

Glossy color photo will not scan clearly, Stripes appear on scan of publication

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Cause 5: Solution: Cause 6: Solution: Incorrect scan settings Rescan with adjusted settings (See the CanoCraft CS-P Users Guide electronic manual) A power cord is too close to the scanner. Move all power cords away from the top of the scanner and surrounding area. Glossy color photo will not scan clearly Cause: Optical interference created by the photo adhering to docu- ment glass produces striped patterns Solution 1: Gently press down on the document cover Solution 2: Move the photo on the document glass to break the adhesion Solution 3: Clean the document glass (See p. 72) Stripes appear on scan of publication Cause: Moiré effect from scan of publication at high resolution (print screen lines highlighted by optical interference, producing striped patterns). The appearance of this effect is dependent upon particular combinations of screen line densities and scanning resolutions Solution: Rescan at different resolutions (See the CanoCraft CS-P Users Guide electronic manual) 65

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65
Cause 5:
Incorrect scan settings
Solution:
Rescan with adjusted settings (See the CanoCraft CS-P Users Guide
electronic manual)
Cause 6:
A power cord is too close to the scanner.
Solution:
Move all power cords away from the top of the scanner and
surrounding area.
Glossy color photo will not scan clearly
Cause:
Optical interference created by the photo adhering to docu-
ment glass produces striped patterns
Solution 1:
Gently press down on the document cover
Solution 2:
Move the photo on the document glass to break the adhesion
Solution 3:
Clean the document glass (
See p. 72
)
Stripes appear on scan of publication
Cause:
Moiré effect from scan of publication at high resolution (print
screen lines highlighted by optical interference, producing
striped patterns). The appearance of this effect is dependent
upon particular combinations of screen line densities and
scanning resolutions
Solution:
Rescan at different resolutions (See the CanoCraft CS-P Users
Guide electronic manual)