Scanner System: Moire - Konica Minolta bizhub C650 Service Manual

18. Image quality problem
18.3.7

Scanner system: moire

A. Typical faulty images
B. Troubleshooting procedure
Step Section
Original
1
Basic screen
2 Quality/Density
Basic screen
3
Zoom
700
Check item
Moire distortions recur even after
the orientation of original has been
changed.
Moire distortions recur even after
the original mode has been
changed.
The problem has been eliminated
through the checks of steps up to 2.
Field Service Ver. 8.0 Jun. 2008
4036fs4033c0
Result
NO Change the original mode
(select one other than that
resulted in moire).
YES Select "Text Mode" or "Photo
Mode".
NO Change the zoom ratio.
Action