Document Feeding Problems; Cannot Feed Documents; Document Double Feeding - Brother MFC-J6510DW Service Manual

2.4.6

Document Feeding Problems

2.4.6.1

Cannot feed documents

User Check
- Set documents fully into the document tray.
- Limit the number of documents to be set in the ADF to a maximum of 35 sheets.
- Close the ADF cover tight.
- Clean the related rollers.
Step
1 Document detection actuator out
of place
2
ADF motor harness connection
failure
3 Document detection/width sensor
harness connection failure
4
Document detection sensor
defective
5
Document separation roller
defective
6 ADF motor defective
7
Main PCB defective
2.4.6.2

Document double feeding

User Check
- Check if document thinner than the specified one is used.
Step
1
Separation rubber worn out
Cause
Set the actuator into place.
Check the connection and reconnect the harness.
Check the connection and reconnect the harness.
Replace the document detection/width sensor PCB
ASSY.
Replace the document pull-in/separation roller
ASSY.
Replace the ADF motor ASSY.
Replace the main PCB ASSY.
Cause
Replace the separation rubber.
2-82
Solution
Solution
Confidential