Scanner System: Skewed Image - Konica Minolta bizhub C450 Service Manual

18. Image quality problem
18.3.8

Scanner System: skewed image

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
1 Original
Original Glass
2
2nd/3rd Mirrors
Carriage
3
4
386
Check Item
Original is skew.
Original Glass is in positive contact
with the flat spring without being tilt.
Scanner Assy is not properly
aligned with 2nd/3rd Mirrors Car-
riage.
The problem has been eliminated
through the checks of steps up to 3.
Field Service Ver. 1.0 Mar. 2005
4036fs4034c0
Result
YES Reposition original.
NO Reinstall the glass.
Check the original loading posi-
tion.
YES Perform "Focus Positioning of the
Scanner and 2nd/3rd Mirrors Car-
riage" and "Scanner Position
Adjustment."
NO Change Scanner Assy.
Change CCD Unit.
Action