Canon iR C3200 Series Service Manual page 831

16.3.2.8.10 Lines as if noise occurred appearing in sub scanning direction: when printing via UFR
[ Case in the field ]
Cause
There is a case in the field that the symptom was solved by replacement of the UFR board.
Field Remedy
Reinstall the UFR board. If the symptom still recurs, replace the UFR board with a new one.
F-16-47
16.3.2.8.11 35mm-wide lines in sub scanning direction appearing at a location corresponding to the
machine's rear side
[ Inspected by Canon Inc. ]
Cause
As a result of inspection, the main controller PCB was found to be faulty. (In this inspection, the symptom
continuously occurred once it started; however, it did not always occur.)
Field Remedy
Try replacing the main controller PCB with a new one.
FG3-3129
Chapter 16
0003-8737
0003-8742
16-57