Brother HL-L5000D Service Manual page 82

 Error code 7100
The eject sensor remains ON (paper pass detected) even after the registration rear sensor
detected the end of paper pass.
<User Check>
• Remove the jammed paper.
• Check if the back cover is open during duplex printing.
Step
Foreign object in the rear of the
1
machine
Eject actuator caught in some
2
sections of the machine
3 Fuser cover attachment failure
4 Eject sensor failure
High-voltage power supply PCB
5
failure
6 Fuser cover failure
Damaged eject roller 1 drive
7
gears
8 Main PCB failure
 Error code 7200
When feeding from the MP tray, the registration rear sensor does not detect paper pass
within the specified time after the registration front sensor detected paper pass.
<User Check>
• Remove the jammed paper.
• Add the paper properly using the MP tray paper guide.
• Close the front cover correctly.
Step
Foreign object in the front of the
1
machine
Registration rear actuator
2 coming off or caught in some
sections of the machine
Connection failure of the
3 registration front/rear sensor
harness
Connection failure of the
4
registration clutch harness
MP feed frame attachment
5
failure
Registration rear sensor failure
6
7 Registration clutch failure
High-voltage power supply PCB
8
failure
Damaged gears in the paper
9
feeding system
10 Main PCB failure
Cause
Remove the foreign object.
Reattach the eject actuator.
Reattach the fuser cover.
Replace the eject sensor PCB ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the fuser cover.
Replace the main frame L ASSY.
Replace the main PCB ASSY.
Cause
Remove the foreign object.
Reattach the registration rear actuator.
Reconnect the registration front/rear sensor
harness.
Reconnect the registration clutch harness.
Reattach the MP feed frame.
Replace the registration front/rear sensor PCB
ASSY.
Replace the registration clutch.
Replace the high-voltage power supply PCB
ASSY.
Replace the main frame L ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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