Image Reading Section: Black Spots - Konica Minolta Bizhub 162 Service Manual

17. Image quality problem
17.2.6

Image Reading Section: Black spots

A. Typical Faulty Images
B. Troubleshooting Procedure
Step
1 Original Glass is dirty or scratchy.
2 CCD Board (PWB-J) connector is loose.
3 Control Board (PWB-C/C) connector is loose.
160
Check
Field Service Ver. 1.0 Apr. 2005
4011T521AA
Result
YES • Clean.
YES • Reconnect.
YES • Reconnect.
• Change CCD Unit.
NO • Change Control Board
(PWB-C/C).
Action