No Paper Is Fed From Mp Tray - Brother DCP-L5500D Service Manual

4.2.4 No paper is fed from MP tray

<User Check>
• Check that the paper is set in the MP tray deeply.
• Check that the thickness of the paper is 60 to 200 g/m
• Check that the paper tray is not set as the paper tray.
Step
MP roller holder ASSY
1
attachment failure
Connection failure of the paper
2
feed motor harness
Connection failure of the MP
3
paper empty sensor harness
Connection failure of the MP
4
solenoid harness
MP paper empty actuator
5
coming off
Connection failure of the
6 registration front/rear sensor
harness
Connection failure of the relay
7
front harness
Connection failure of the HVPS
8
flat cable
Abrasion of the MP paper pick
9
up roller
10 MP solenoid failure
MP paper empty sensor failure
11
Registration front/rear sensor
12
PCB failure
13 Paper feed motor failure
14 Damaged fuser unit
15 Relay front PCB failure
High-voltage power supply PCB
16
failure
17 Main PCB failure
Cause
Reattach the MP roller holder ASSY correctly.
Reconnect the paper feed motor harness.
Reconnect the MP paper empty sensor
harness.
Reconnect the MP solenoid harness.
Reattach the MP paper empty actuator.
Reconnect the registration front/rear sensor
harness.
Reconnect the relay front harness.
Reconnect the HVPS flat cable.
Replace the PF kit MP.
Replace the MP solenoid.
Replace the MP paper empty sensor PCB
ASSY.
Replace the registration front/rear sensor PCB
ASSY.
Replace the paper feed motor.
Replace the fuser unit.
Replace the relay front PCB ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
2-85
2
.
Remedy
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