Brother DCP-J752DW

2-74
Confidential
4.7 Document Feeding Problems
4.7.1 Document cannot be fed
<User Check>
- Check if the document is loaded correctly all the way inside the ADF document support and if
"ADF READY" is displayed on the LCD.
- Check if the amount of document inside the ADF document support is not fewer than the specified
amount.
4.7.2 Document double feeding
<User Check>
- Check if the document used is thinner than the specified thickness.
Step Cause Solution
1 Foreign materials near the
document pick-up roller
Remove foreign materials.
2 Document pick-up roller stained Clean the document pick-up roller.
3 Document detection actuator out
of place
Set the document detection actuator into place.
4 ADF motor harness connection
failure
Reconnect the ADF motor harness.
5 Document detection sensor
harness connection failure
Reconnect the document detection sensor harness.
6 Document pick-up roller worn out Replace the document separate roller ASSY.
7 Document detection sensor
defective
Replace the document detection sensor PCB.
8 ADF motor defective Replace the ADF unit.
9 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 ADF separation pad holder ASSY
worn out
Replace the ADF separation pad holder ASSY.