Oki MC160MFP, Maintenance Manual

Page: 196 / 207

44292401TH Rev.1
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Oki Data CONFIDENTIAL
TROUBLESHOOTING
19.1.13 Incorrect color image registration
20.1.13 Incorrect color image registration
A. Typical faulty images
B. Troubleshooting procedure
A0CRF4C515DA
Step Section Check item Result Action
1
Imaging
cartridge
Is the transfer belt dirty with fin-
gerprints or foreign matter?
YES Clean.
2
Is the transfer belt dirty or
scratched?
YES
Wipe the surface clean of dirt with
a soft cloth.
Replace the scratched transfer
belt with a new imaging cartridge.
3
Is the photo conductor
scratched?
YES Replace the imaging cartridge.
4
Is the drive coupling to the
machine dirty?
YES Clean.
5
2nd transfer
roller
Is the 2nd transfer roller dirty or
scratched?
YES Replace the 2nd transfer roller.
6
Have steps 1 to 5 eliminated the
problem?
NO
Replace the PH unit.
o
Replace the printer control
board.
19.1.14 Poor fusing performance, offset
20.1.14 Poor fusing performance, offset
A. Typical faulty images
B. Troubleshooting procedure
A0CRF4C516DA
offset poor fusing performance
Step Section Check item Result Action
1 Media
Does the media being used con-
form to specifications?
NO Replace the media.
2 Fuser unit
Are the fuser separator levers in
the correct position?
NO Correct.
3
Have steps 1 to 2 eliminated the
problem?
NO
Replace the fuser unit.
o
Replace the printer control
board.