Brother HL-L5000D Service Manual page 117

4.2.10Paper jam
 Paper jams in the paper tray 1
<User Check>
• Check that the paper is set in the paper tray correctly.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Adjust the paper guide according to the paper size.
• Check that there is not too much paper set in the paper tray.
• Check that the thickness of the paper is 60 to 120 g/m
• Flip through the paper and reset it in the paper tray.
Step
Foreign object around the paper
1
tray
Paper dust cleaning roller
2
attachment failure
3 Paper feed actuator coming off
Registration front actuator
4
coming off
Connection failure of the
5 registration front/rear sensor
harness
Connection failure of the
6
registration clutch harness
Connection failure of the T1
7
paper feed sensor harness
Connection failure of the HVPS
8
flat cable
9 HVPS flat cable breakage
Registration front sensor failure Replace the registration front/rear sensor PCB
10
11 T1 paper feed sensor failure
12 Registration clutch failure
13 Paper feed motor failure
14 Relay front PCB failure
High-voltage power supply PCB
15
failure
Damaged gears in the paper
16
feeding system
17 Damaged fuser unit
18 Main PCB failure
Cause
Remove the foreign object.
Reattach the paper dust cleaning roller.
Reattach the paper feed actuator.
Reattach the registration front actuator.
Reconnect the registration front/rear sensor
harness.
Reconnect the registration clutch harness.
Reconnect the T1 paper feed sensor harness.
Reconnect the HVPS flat cable.
Replace the HVPS flat cable.
ASSY.
Replace the T1 paper feed sensor PCB ASSY.
Replace the registration clutch.
Replace the paper feed motor.
Replace the relay front PCB ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the main frame L ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
2-91
2
for paper tray 1.
Remedy
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