Scanner System: Blurred Image, Blotchy Image - Konica Minolta bizhub C250 Service Manual

Field Service Ver. 3.0 Aug. 2006
18.3.5

Scanner System: blurred image, blotchy image

A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section
1 Original
Original Cover
2
Original Glass
3
2nd/3rd Mirrors Car-
riage
4
5
4036fs4031c0
Check Item
Original does not lie flat.
Original Cover does not lie flat.
Original Glass tilts.
Scanner is not aligned with the
2nd/3rd Mirrors Carriage.
The problem has been eliminated
through the checks of steps up to 4.
18. Image quality problem
Result Action
YES Change original.
YES Change Original Cover if it
is deformed or hinges are
broken.
YES Position Original Glass
correctly. Check original
loading position.
YES Perform "Focus Position-
ing of the Scanner and
2nd/3rd Mirrors Carriage"
and "Scanner Position
Adjustment."
NO Change Scanner Assy.
Change CCD Unit.
481