Image Reading System: Uneven Image - Konica Minolta Di1610 Service Manual

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Image reading system: Uneven image

<Troubleshooting Procedures>
Step
1 Is the Scanner Motor drive being trans-
mitted?
2 Is the harness of the Exposure Lamp
catching?
3 Is there enough slack in the Timing Belt?
4 Are the Scanner Rails scratched or
dirty?
5 Are there no bent connector pins on the
cables connecting the control boards,
are all connectors correctly plugged in,
and are no cables broken?
6 The problem has been eliminated after
performing step 5.
<Sample of Image Quality Problem>
Check
T-32
4011T528AA
Result
NO Correct drive coupling mecha-
nisms.
Replace it.
YES Correct it.
NO Correct it.
Replace the Timing Belt.
YES Clean them.
NO Correctly plug in the connectors.
Replace connection cables.
NO Replace the Scanner Assy.
Replace the IR Unit.
Action