Printer Monocolor: Blurred Image - Konica Minolta bizhub C350 Service Manual

Image quality problem
4.3.22

Printer Monocolor: blurred image

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
Image Check
1
LED Assy
2
3
4 Imaging Unit
5
4-80
blurred image
Check Item
Image is distorted (stretched or
shrunk).
LED retracting lever is locked in
position.
The surface of the lens array is
dirty.
Dirty on the outside.
The problem has been eliminated
through the checks of steps up to 4.
bizhub C350 Field Service Ver2.0 Sep. 2004
4036fs4031c0
Result
YES Select "Tech. Rep. Mode" →
"Machine Adjust" → "PRT Area"
→ "Zoom for FD" and run "Zoom
for FD."
NO Slide out the IU and reinstall.
YES Clean with cleaning jig.
YES Clean.
NO Change Imaging Unit.
→ Change LPH Assy.
→ Change LPH Unit.
Action