Incorrect Color Image Registration - Konica Minolta magicolor 2500W Service Manual

Field Service Ver. 1.0 Aug. 2006
19.1.13

Incorrect color image registration

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1
2
Transfer belt unit
3
4
5
Drum cartridge
6
7
AA
AA AA
Check item
Is the transfer belt dirty with fin-
gerprints or foreign matter?
Is the transfer belt dirty or
scratched?
Is the drive coupling to the
machine dirty?
Is the 2nd transfer roller dirty or
scratched?
Is the drum cartridge installed in
position?
Is the photo conductor
scratched?
Have steps 1 to 6 eliminated the
problem?
19. Image quality problems
4036fs4032c0
Result
YES Clean.
Wipe the surface clean of dirt with
a soft cloth.
YES
Replace the scratched transfer
belt with a new transfer belt unit.
YES Clean.
YES Replace the 2nd transfer roller.
NO Reinstall the drum cartridge.
YES Replace the drum cartridge.
Replace the PH unit.
→ Replace the printer control
NO
board.
Action
173