Scanner System: Blurred Image, Blotchy Image - Olivetti d-Color MF201 Service Manual

19. Image quality problem
19.3.5

Scanner system: blurred image, blotchy image

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
ADF
2
Original glass
3
Exposure unit
4
5
326
Check item
Original does not lie flat.
ADF does not lie flat.
Original glass tilts.
Exposure unit is not installed pre-
cisely.
The problem has been eliminated
through the checks of steps up to 4.
Service Manual
Field Service Ver. 1.0 Jun. 2008
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 Reinstall.
NO Change exposure unit.
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