Scanner System: Black Spots - Konica Minolta bizhub 200 Service Manual

Field Service Ver. 2.0 Apr. 2006
20.3.5

Scanner System: Black spots

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
1 Original
2 Original Cover
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 after
performing step 3.
20. Image quality problem
4036fs4029c0
Result
YES Change original.
YES Clean.
YES Clean.
NO Change Exposure Unit.
Change CCD Unit.
Action
261