Scanner System: Color Spots - Konica Minolta bizhub C25 Service Manual

Field Service Ver. 1.1 May 2011
22.2.3

Scanner system: color spots

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
3 Original glass
4
AA AA
Check item
Original is damaged or dirty.
Original pad is dirty.
Original glass is dirty.
The problem has been eliminated
through the checks of steps up to 3.
22. IMAGE QUALITY PROBLEM
Result Action
YES Change original.
YES Clean.
YES Wipe the surface clean with a
soft cloth.
NO Change scanner unit.
Change MFPB/1.
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