Noise - Canon iR C3200 Series Service Manual

Field Remedy
Check the connection of J308 on the Reader Controller PCB. If poor contact is found, reinsert it once again.
FG3-2570 Reader Controller PCB

16.3.4.5 Noise

16.3.4.5.1 Abnormal noise from DADF-K1
[ Case in the field ]
Cause
There is a case in the field that noise was heard from the drive unit of the ADF transfer belt because the belt was
held under a strong tension.
Field Remedy
Slightly decrease the tension of the ADF transfer belt. Shifting the position of the stoppers at the front and the
rear can adjust the tension.
16.3.4.5.2 DADF-K1 Continuous scanning sound is noisy: How to set DADF silent scanning mode
[ Manual-related ]
Field Remedy
In service mode level 2 [COIPIER>Option>ACC>DF-MUTE], set at '1' to activate the DADF silent reading
mode. However, the speed of scanning the originals will slow down from 750mm/s to 420mm/s.
16.3.4.5.3 Abnormal noise when paper is picked up from Cassette
[ Case in the field ]
< Field Remedy >
It is possible that abnormal noise might occur at the time of paper separation. Although the level of noise is
within the specification, replace the separation roller with the one (FB5-0873) used in the Multi Feed Ass'y, if
the customer complaints it.
16.3.4.5.4 PS-C1: Fan is noisy
[ Verified by Canon Inc. ]
< Field Remedy >
The fan has been changed to a low-noise type. When changing the fan, install nylon snaps (4 pieces per one
fan) together.
Fan (low-noise type): FH9-0803
Nylon Snap: FH9-0802
Chapter 16
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