Ricoh D124-17 Service Manual page 663

5. Vertical white lines
Possible causes:
• Dirty exposure glass
• Dirt or scratches on the white plate above the CIS
• CIS defective
6. Black or white bands with no image-width 1/5 A0 (E) size
Possible causes:
• Connection problem between CIS and IPU
• CIS output error
• IPU board adjustment error
7. White lines every 1mm pitch in halftone areas
Scanning Problems
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