Brother HLL3290CDW Service Manual page 102

■
Error code 0B01
An error occurred in the high-voltage power supply PCB while operating.
Error code 0B02
An error occurred in the high-voltage power supply PCB when the machine was in the ready
state.
<User Check>
• Slide the green tab of the drum unit to left and right for two to three times to clean the corona
wire for all the four colors.
• There is a possibility of condensation. Turn the power switch OFF and ON, then open the
top cover and the back cover and leave the machine more than 30 minutes.
• Replace the drum unit.
Step
Dirt on the machine, the drum
unit, the belt unit and the waste
1 toner box terminal.
Connection failure of the high-
2
voltage power supply flat cable
High-voltage power supply PCB
3
failure
4 Main PCB failure
■
Error code 0C00
An error occurred in the density sensor.
Step
Connection failure of the
1 registration mark sensor L
harness
2 Eject sensor PCB failure
Registration mark sensor L PCB
3
failure
4 Main PCB failure
■
Error code 0E00
An error occurred during the high-voltage power supply PCB ID check.
Step
High-voltage power supply PCB
1
failure
2 Main PCB failure
Cause
Cause
Cause
2-66
Remedy
Clean the machine, the drum unit, the belt
unit and the waste toner box terminal.
(Refer to Fig. 2-11 (P2-78),
78), Fig. 2-16 (P2-119)
123).)
Reconnect the high-voltage power supply
flat cable.
Replace the high-voltage power supply
PCB.
Replace the main PCB.
Remedy
Reconnect the registration mark sensor L
harness.
Replace the eject sensor PCB.
Replace the registration mark sensor L
PCB.
Replace the main PCB.
Remedy
Replace the high-voltage power supply
PCB.
Replace the main PCB.
Fig. 2-12 (P2-
and Fig. 2-17 (P2-
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