What is code 0B.
What is code 0B.
Hi suomi,
Basically high-voltage power supply PCB ASSY problem. Steps to troubleshooting:
Error code 0B01
An error occurred in the high-voltage power supply PCB ASSY while operating.
Error code 0B02
An error occurred in the high-voltage power supply PCB ASSY 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
front cover and the back cover and leave the machine more than 30 minutes.
• Replace the drum unit.
Step Cause Remedy
1 Connection failure of the power
fan harness
Reconnect the power fan harness.
2
Connection failure of the highvoltage
power supply PCB
harness
Reconnect the high-voltage power supply
PCB harness.
3 Power fan failure Replace the power fan.
4 High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
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. 2-13 (P2-71), Fig. 2-14 (P2-
71), Fig. 2-19 (P2-128) and Fig. 2-20 (P2-
133).)
2 Connection failure of the highvoltage
power supply flat cable
Reconnect the high-voltage power supply
flat cable.
3
Connection failure of the highvoltage
power supply PCB
harness
Reconnect the high-voltage power supply
PCB harness.
4 High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY
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