Konica Minolta bizhub C203 Service Manual page 589

18. Image quality problem
18.3.3 Scanner system: color spots
A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
Original glass
3
4
544
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.
Field Service Ver. 1.0 Jul. 2007
Result Action
YES Change original.
YES Clean.
YES Wipe the surface clean with a
soft cloth.
NO Change scanner assy.
Change CCD unit.
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