Document Feeding Problems; No Feeding; Double Feeding - Brother MFC-9130CW Service Manual

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.
Step
1
2
3
4
5
6
7
8

4.11.2 Double feeding

<User Check>
- Check whether paper thinner than 64 g/m
Step
1
Cause
Coming off of document
detection actuator
Coming off of ADF cover
actuator
ADF motor harness
connection failure
ADF cover/document
detection sensor PCB
harness connection failure
Document separate roller
failure
ADF cover/document
detection sensor failure
ADF motor failure
Main PCB failure
Cause
ADF separation pad worn out
Re-assemble the document detection
actuator.
Re-assemble the ADF cover actuator.
Check the ADF motor harness connection
and reconnect it.
Check the ADF cover/document detection
sensor PCB harness connection and
reconnect it.
Replace the document separate roller ASSY.
Replace the ADF cover/document detection
sensor PCB ASSY.
Replace the ADF motor ASSY.
Replace the main PCB ASSY.
2
is used as document.
Replace the ADF separation pad.
2-113
Remedy
Remedy
Confidential