Brother HL-L5000D Service Manual page 81

 Error code 6D00
Detected more LTs than connectible limit.
<User Check>
• Reduce LTs to acceptable numbers.
• Reconnect LTs.
Step
Dust around the LT/TT
1
connector
Malfunction of the LT control
2
PCB
Machine or LT/TT connector
3
failure
4 LT control PCB failure
5 Main PCB failure
 Error code 6F00
Detected irregular power supply for less than 100 times.
<User Check>
• Turn the power switch OFF and then back ON again.
• Use a noise filter on the power supply.
• Install a voltage stabilizer to the power supply unit.
 Error code 7000
The eject sensor does not detect paper pass after the registration rear sensor detected the
paper pass.
<User Check>
• Remove the jammed paper.
• Replace the drum unit with a new one.
Step
Foreign object inside the
1
machine
Connection failure of the eject
2
sensor harness
Eject actuator coming off or
3 caught in some sections of the
machine
4 Fuser cover attachment failure
5 Eject sensor failure
High-voltage power supply PCB
6
failure
7 Fuser unit failure
Damaged fuser gears or drum
8
gears
9 Main PCB failure
Cause
Clean the LT/TT connector.
Install the latest main firmware.
Replace the machine or LT/TT connector.
Replace a LT control PCB ASSY.
Replace the main PCB ASSY.
Cause
Remove the foreign object.
Reconnect the eject sensor harness.
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 unit.
Replace the main frame L ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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