Canon imageRUNNER ADVANCE C3330 Series, Troubleshooting Manual, Page: 123 / 200

Copier Color | iR C3025/C3020 Series |
Copier Color | iR-ADV C3330/C3325/C3320 Series |
Copier Color | iR-ADV C3530/C3525/C3520 Series |
Noise (an abnormal noise from meshing failure of tooth)/ toner
soiling inside the machine / stained images due to disengagement
between gears in the waste toner drive assembly
[Symptom]
The noise (the abnormal noise of meshing failure of tooth) from the waste toner drive assembly, toner soil in the machine or
stained images may occur.
[Cause]
If the claw [a] of laser wiper guide [1] of waste toner drive assembly comes off, 31T/15T gears [2] and 21T gear [3] do not mesh
with each other [b] and that results in the above-mentioned symptom.
[Service work]
When the aforementioned symptom occurs, remedy the part by implementing the following procedure.
1) Open the cover (front) in accordance with the Service Manual to remove the left cover (upper).
2) Hook the claw [a] of laser wiper guide [1] to the appropriate positon on the steel plate[2].
3) Make sure that there is no space at the meshing part [a] of 31T/15T gear [1] and 21T gear [2].
21T gear [2] may not be fixed firmly [b] when it is attached to the laser wiper guide. If the gear is not fixed firmly, fit again the 21T
gear [2] in the position until it clicks and make the shaft visible [c].
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