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Confidential
4.11 Document Feeding Problems
4.11.1 No feeding
<User Check>
- Load the document all the way, and check that the LCD display is changed.
- Check whether the number of loaded documents exceed 35.
- Check whether the ADF cover is properly closed.
4.11.2 Double feeding
<User Check>
- Check whether paper thinner than 64 g/m
2
is used as document.
Step Cause Remedy
1 Coming off of document
detection actuator
Re-assemble the document detection
actuator.
2 Coming off of ADF cover
actuator
Re-assemble the ADF cover actuator.
3 ADF motor harness
connection failure
Check the ADF motor harness connection
and reconnect it.
4 ADF cover/document
detection sensor PCB
harness connection failure
Check the ADF cover/document detection
sensor PCB harness connection and
reconnect it.
5 Document separate roller
failure
Replace the document separate roller ASSY.
6 ADF cover/document
detection sensor failure
Replace the ADF cover/document detection
sensor PCB ASSY.
7 ADF motor failure Replace the ADF motor ASSY.
8 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 ADF separation pad worn out Replace the ADF separation pad.