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Error code 4F01
The new toner sensor of the toner cartridge could not detect a new cartridge properly.
<User Check>
• Replace the toner cartridge with a new toner cartridge again.
• If the machine is on the uneven surface, place it on a level surface.
Step
Connection failure of the new
1
toner sensor PCB harness
New toner actuator coming off or
2
caught in some sections of the
machine
3
New toner sensor failure
4
Main PCB failure
Error code 4F05
New process sensor could not detect the new drum unit correctly.
<User Check>
• Replace the drum unit with a new drum unit again.
• If the machine is on the uneven surface, place it on a level surface.
Step
High-voltage power supply PCB
1
failure
2
Main PCB failure
Error code 5E00
New toner box sensor could not detect the new toner box correctly.
<User Check>
• Replace the toner box with a new toner box again.
• If the machine is on the uneven surface, place it on a level surface.
Step
New toner box sensor failure
1
2
Main PCB failure
Cause
Reconnect the new toner sensor PCB
harness.
Reattach the new toner actuator.
Replace the new toner sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Remedy
Remedy
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