No Paper Feeding From The Manual Feed Slot; Double Feeding - Brother MFC-9130CW Service Manual

4.2.2

No paper feeding from the manual feed slot

<User Check>
- Check if the paper is loaded into the manual feed slot correctly.
- Check that multiple sheets of paper are not loaded in the manual feed slot.
- Check if the thickness of the paper is 60 to 163 g/m
- Check whether a paper tray is selected mistakenly as the setting of printer driver.
Step
1
2
3
4
5
6
7
8
4.2.3

Double feeding

<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Check that too much paper is not loaded in the paper tray.
- Turn back the paper loaded in the paper tray or change the orientation of the paper by 180
- Check if the thickness of the paper is 60 to 105 g/m
- Shuffle the papers and reload them into the paper tray.
Step
1
Cause
Coming off of manual feed
actuator.
Main motor harness connection
failure
Registration front/rear/manual
feed sensor PCB harness
connection failure
Registration clutch failure
Paper feed unit failure
Main motor failure
Low-voltage power supply PCB
failure
Main PCB failure
Cause
Separation pad or separation
roller worn out
2
.
Re-assemble the manual feed actuator.
Check the main motor harness
connection and reconnect it.
Check the registration front/rear/manual
feed sensor PCB harness connection and
reconnect it.
Replace the registration clutch.
Replace the paper feed unit.
Replace the process drive unit.
Replace the low-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
2
.
Replace the PF kit 1.
2-83
Remedy
Remedy
Confidential
°
.