Printer 4-Color: Uneven Image - Konica Minolta bizhub C200 Service Manual

19. Image quality problem
19.3.39

Printer 4-color: uneven image

A. Typical faulty images
B. Troubleshooting procedure
Step Section
Toner cartridge
1
2 PH unit
Toner cartridge
3
Imaging unit
4
Transfer roller unit There is any stain, damage,
5
Fusing unit
6
7
416
Check item
The toner cartridge of every color
is surely installed.
The PH unit is surely installed.
There is any stain or breakage on
the drive section of the toner car-
tridge.
There is any stain, damage or
abrasion on the PC drum.
deformation or abrasion on the
transfer roller.
There is any stain, damage,
deformation or abrasion on the
roller and drive section of the fus-
ing unit.
The problem has been eliminated
through the check of step 6.
Field Service Ver. 2.0 Dec. 2008
Result Action
NO Re-install it.
NO Re-install it.
YES Clean/replace the toner cartridge.
YES Replace the imaging unit.
YES Replace the transfer roller unit.
YES Replace the fusing unit.
NO Replace the transfer belt unit.
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