Uneven Pitch - Konica Minolta magicolor 2400W Service Manual

Field Service Ver. 4.0 Feb. 2006
20.1.17

Uneven pitch

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Toner Cartridge
2 PH Unit
3 Toner Cartridge
4 Drum Cartridge
2nd Transfer
5
Roller
6 Fusing Unit
7
Check Item
Is the Toner Cartridge for each
color of toner installed in posi-
tion?
Is the PH Unit secured in position
with the fixing screw?
Is the drive mechanism of the
Toner Cartridge dirty or dam-
aged?
Is the photo conductor dirty,
scratched, or worn?
Are the 2nd Transfer Roller and
drive mechanism dirty, deformed,
or worn?
Are the rollers and drive mecha-
nism of the Fusing Unit dirty,
scratched, deformed, or worn?
Have steps 1-6 eliminated the
problem?
20. Image Quality Problems
4138fs4507c0
Result
NO Reinstall.
NO Secure it in position.
Clean or replace the Toner Car-
YES
tridge.
YES Replace the Drum Cartridge.
YES Replace the 2nd Transfer Roller.
YES Replace the Fusing Unit.
NO Replace the Transfer Belt Unit.
Action
165