Oki MC160MFP Maintenance Manual page 196

Oki Data CONFIDENTIAL
19.1.13 Incorrect color image registration
20.1.13 Incorrect color image registration
A. Typical faulty images
B. Troubleshooting procedure
Step Section Check item
Is the transfer belt dirty with fin-
1
gerprints or foreign matter?
Is the transfer belt dirty or
2
scratched?
Imaging
cartridge
Is the photo conductor
3
scratched?
Is the drive coupling to the
4
machine dirty?
2nd transfer Is the 2nd transfer roller dirty or
5
roller scratched?
Have steps 1 to 5 eliminated the
6
problem?
44292401TH Rev.1
A0CRF4C515DA
Result Action
YES Clean.
Wipe the surface clean of dirt with
a soft cloth.
YES
Replace the scratched transfer
belt with a new imaging cartridge.
YES Replace the imaging cartridge.
YES Clean.
YES Replace the 2nd transfer roller.
Replace the PH unit.
NO Replace the printer control
board.
19.1.14 Poor fusing performance, offset
20.1.14 Poor fusing performance, offset
A. Typical faulty images
poor fusing performance
B. Troubleshooting procedure
Step Section Check item
Does the media being used con-
1 Media
form to specifications?
Are the fuser separator levers in
2 Fuser unit
the correct position?
Have steps 1 to 2 eliminated the
3
problem?
TROUBLESHOOTING
offset
A0CRF4C516DA
Result Action
NO Replace the media.
NO Correct.
Replace the fuser unit.
NO Replace the printer control
board.
195 /