Konica Minolta bizhub C360 Service Manual page 784

Field Service Ver. 2.1 Feb. 2012
23.3.23 Printer monocolor: colored spots
A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Drum unit/
developing unit
2
3
AA AA
Check item
Developing bias contact terminal
makes good connection.
The surface of the PC drum is
scratched.
Dirty on the outside.
23. IMAGE QUALITY PROBLEM
Result Action
NO Clean contact terminal and
check terminal position.
YES Change drum unit.
YES Clean.
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