Printer Monocolor: 94-Mm-Pitch Uneven Image - Konica Minolta Bizhub C350 Service Manual

Image quality problem
4.3.26

Printer Monocolor: 94-mm-pitch uneven image

A. Typical Faulty Images
4036fs4055c0
B. Troubleshooting Procedure
Step Section
Imaging Unit The surface of the PC Drum is
1
scratched.
Coupling of IU drive mechanism is
2 installed properly.
3 There is play in the IU Motor.
Image Transfer Image Transfer Belt Unit drive gear
4
Belt Unit has chipped off.
Image Transfer Image Transfer Roller is damaged.
5
Roller Unit
The problem has been eliminated
6
through the checks of steps up to 5.
bizhub C350 Field Service Ver. 2.0 April 2004
94 mm
Check Item
4-84
94 mm
4036fs4056c0
Result
YES Change Imaging Unit.
NO Check and correct drive transmit-
ting coupling.
Change Imaging Unit.
YES Reinstall or change the IU Motor.
YES Correct.
Change Image Transfer Belt Unit.
YES Change Image Transfer Roller
Unit.
NO Change Imaging Unit.
94 mm
4036fs4057c0
Action