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Confidential
• Check that the genuine toner cartridge is set.
4.7.2 Toner cartridge not detected
<User Check>
• Re-assemble the toner cartridge.
• Replace the toner cartridge with a new one.
4.7.3 Toner replacement message displayed on LCD is not cleared
<User Check>
• Be sure to set a new toner cartridge.
• Check that the genuine toner cartridge is set.
Step
Cause
Remedy
1
New toner actuator coming off
Reattach the new toner actuator.
2
Connection failure of the new
toner sensor PCB harness
Reconnect the new toner sensor PCB
harness.
3
New toner sensor PCB failure
Replace the new toner sensor PCB ASSY.
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
New toner sensor PCB failure
Replace the new toner sensor PCB ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
New toner actuator coming off
Reattach the new toner actuator.
2
Connection failure of the new
toner sensor PCB harness
Reconnect the new toner sensor PCB
harness.
3
New toner sensor PCB failure
Replace the new toner sensor PCB ASSY.
4
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
5
Main PCB failure
Replace the main PCB ASSY.