Brother HL-L5000D Service Manual page 102

 Error code 8B01
Detected that the TT was not turned ON.
<User Check>
• Turn ON the TT.
• Reconnect the AC cord of the TT.
Step
Malfunction of the TT control
1
PCB
Connection failure of the TT low-
2 voltage power supply PCB
harness
3 TT AC cord breakage
TT low-voltage power supply
4
PCB failure
5 TT control PCB failure
6 Main PCB failure
 Error code 9001
When printing from the MP tray, the size of paper set in the MP tray does not match the size
specified by the driver.
Error code 9002
When printing from the paper tray 1, the size of paper set in the paper tray 1 does not match
the size specified by the driver.
Error code 9003
When printing from the paper tray 2, the size of paper set in the paper tray 2 does not match
the size specified by the driver.
Error code 9004
When printing from the paper tray 3, the size of paper set in the paper tray 3 does not match
the size specified by the driver.
Error code 9005
When printing from the paper tray 4, the size of paper set in the paper tray 4 does not match
the size specified by the driver.
Error code 9006
When printing from the paper tray 5, the size of paper set in the paper tray 5 does not match
the size specified by the driver.
<User Check>
• Change the driver setting to be matched with the size of the paper set in the paper tray.
Step
Registration rear actuator
1 caught in some sections of the
machine
Registration rear sensor failure
2
3 Main PCB failure
Cause
Install the latest main firmware.
Reconnect the TT low-voltage power supply
PCB harness.
Replace the AC cord.
Replace the TT low-voltage power supply PCB
ASSY.
Replace the TT control PCB ASSY.
Replace the main PCB ASSY.
Cause
Reattach the registration rear actuator.
Replace the registration front/rear sensor PCB
ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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