No Paper Feeding From T2 Paper Tray Unit - Brother DCP-L8400CDN Service Manual

4.2.2

No paper feeding from T2 paper tray unit

< 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
- Check whether the MP tray or paper tray 1 is specified for the paper feeding tray.
- Fan the stack of paper well and reinsert the papers into the paper tray.
- Clean the T2 paper pick-up roller.
- Check whether the paper tray 1 is closed correctly.
Step
1
2
3
4
5
6
7
8
9
10
11
12
13
Cause
T2 paper feed actuator coming
off
Connection failure of the main
motor harness
T2 roller holder ASSY installation
failure
Connection failure of the T2
paper feed/plate origin sensor
PCB harness
Connection failure of the T2
registration sensor PCB harness
Connection failure of the T2 relay
PCB harness
T2 paper pick-up roller worn out
T2 relay PCB failure
Main motor failure
Paper feed related gear
damaged
Fuser unit damaged
Main PCB failure
T2 connector or T2 plate motor
failure
2
.
Re-assemble the T2 paper feed actuator.
Reconnect the main motor harness.
Install the T2 roller holder ASSY correctly.
Reconnect the T2 paper feed/plate origin
sensor PCB harness.
Reconnect the T2 registration sensor PCB
harness.
Reconnect the T2 relay PCB harness.
Replace the PF kit 2.
Replace the T2 relay PCB ASSY.
Replace the process drive unit.
Replace the main drive unit.
Replace the fuser unit.
Replace the main PCB ASSY.
Replace the T2 paper tray unit.
2-88
Remedy
Confidential