TASKalfa 3500i, Troubleshooting Manual

Page: 79 / 112

1. In case of abnormal sound occurs
a. Replace the DLP UNIT .
b. Re-assemble it as referring to below attention 1.
2. In case of no abnormal sound (developing drive possible)
a. Remove the INNER UNIT.
b. Check the CASS SHUTTER of the DLP UNIT.
c. If the parts is broken, replace the DLP UNIT.
（
Fig.1)
d. Re-assemble it as referring to below attention 1.
3. In case of not applicable above 1,2.
a. It is possible of error at the DLP motor. Check the DLP motor.
C2101(Developing Motor Error)
Normal Break (bend)
CASS SHUTTER
CASS SHUTTER
Fig.1
When pushing in the CASS LOCK release LEVER at the INNER UNIT, there is a
case not to push in smoothly.
In that case, without pushing in by force, re-install the INNER UNIT while shifting it
by right-hand side and fix.
If it pushes into INNER UNIT forcefully, the lock release cannot be done normally,
C2101, C7101, and unusual sound occur again and DLP UNIT may damage.
The measure against below condition was taken after 2011 Oct. production. Therefore,
below action is not necessary if the production month is Oct. and after.
attention 1
There is a possibility that DLP is LOCKing by jam in the developing powder outlet etc.
(It may be accompanied by the unusual rattling sound like no engagement of gears and C7101)
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