Brother HL-L3210CW - Page 71

2-52
Confidential
■ 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.
■ Error code 0C00
An error occurred in the density sensor.
■ Error code 0E00
An error occurred during the high-voltage power supply PCB ID check.
Step Cause Remedy
1
Dirt on the machine, the drum
unit, the belt unit and the waste
toner box terminal.
Clean the machine, the drum unit, the belt
unit and the waste toner box terminal.
(Refer to Fig. 2-6 (P2-63), Fig. 2-7 (P2-
63), Fig. 2-11 (P2-94) and Fig. 2-12 (P2-
98).)
2
Connection failure of the high-
voltage power supply flat cable
Reconnect the high-voltage power supply
flat cable.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB.
4 Main PCB failure Replace the main PCB.
Step Cause Remedy
1
Connection failure of the
registration mark sensor L
harness
Reconnect the registration mark sensor L
harness.
2 Eject sensor PCB failure Replace the eject sensor PCB.
3
Registration mark sensor L PCB
failure
Replace the registration mark sensor L
PCB.
4 Main PCB failure Replace the main PCB.
Step Cause Remedy
1
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB.
2 Main PCB failure Replace the main PCB.