Konica Minolta bizhub C360 Service Manual page 764

Field Service Ver. 2.1 Feb. 2012
23.3.5 Scanner system: blurred image, blotchy image
A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
3 Original glass
4 2nd/3rd mirrors
carriage
5
Check item
Original does not lie flat.
ADF does not lie flat.
Original glass tilts.
Exposure unit is not aligned with
the 2nd/3rd mirrors carriage.
The problem has been eliminated
through the checks of steps up to 4.
23. IMAGE QUALITY PROBLEM
Result Action
YES Change original.
YES Change ADF if it is deformed or
hinges are broken.
YES Position original glass correctly.
Check original loading position.
YES Perform "Focus Positioning of the
scanner and 2nd/3rd mirrors car-
riage" and "Scanner Position
Adjustment."
NO Change exposure unit.
Change CCD unit.
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