Canon iR C3200 Series Service Manual page 813

16.3.2.5.11 Uneven image of 47mm intervals in main scanning direction
Field Remedy
1. Output a test print to specify the color causing this symptom: in service mode [COPIER> Test>PG].
2. Replace the drum unit of the affected color.
3. If the symptom still recurs, it is possible that the drum drive unit is faulty. Replace the drum drive unit with
a new one.
Drum Drive Ass'y: FG6-8964
16.3.2.5.12 Coarse image or brushed image only on Cyan areas: Occurs on both copies and test
prints
[ Inspected by Canon Inc. ]
Cause
As a result of inspection, it was found that this symptom occurred because the DC Controller PCB was faulty.
Field Remedy
Follow the steps below:
1. Make sure that the connectors are securely fitted between the DC Controller PCB (J117 and J118) and the Cyan
laser unit (J613, J614, and J616).
2. Swap the Cyan laser unit with a different color's and check the image once again. If the symptom occurs with
the different color, the laser unit is likely to be faulty. So, replace it with a new one. If the symptom is not changed,
the DC Controller PCB is likely to be faulty. So, replace it with a new one.
Laser Unit: FG6-8962
DC Controller PCB: FG3-2356
F-16-40
Chapter 16
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0006-4447
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