Scanner System: Incorrect Color Image Registration, Sync Shift (Lines In Main Scan Direction) - Konica Minolta bizhub C25 Service Manual

22. IMAGE QUALITY PROBLEM
22.2.6 Scanner system: incorrect color image registration, sync shift
(lines in main scan direction)
A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
3
350
AA
AA AA
Check item
Original does not lie flat.
ADF does not lie flat.
The problem has been eliminated
through the checks of steps up to 2.
Field Service Ver. 1.1 May 2011
Result Action
YES Change original.
YES Change ADF if it is deformed or
hinges are broken.
NO Change scanner unit.
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