Ir System: Incorrect Color Image Registration, Sync Shift (Lines In Cd) - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
4.3.6

IR System: incorrect color image registration, sync shift (lines in CD)

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
1 Original
Original Cover
2
3 Slide rails
4 Drive Cables
Scanner Assy
5
6
AA
AA AA
4036fs4032c0
Check Item
Original does not lie flat.
Original Cover does not lie flat.
Foreign matter on rails.
Cable kinks or is damaged.
Scanner moves smoothly.
The problem has been eliminated
through the checks of steps up to 5.
4-61
Image quality problem
Result Action
YES Change original.
YES Change Original Cover if it is
deformed or hinges are broken.
YES Clean and apply lubricant.
YES Correct or change.
NO Adjust the Scanner Motor timing
belt.
→ Change bushing.
→ Change Scanner Motor.
NO Change CCD Unit.