6–11
6.5.2 Common failures
P1 No AC power supply
The voltage is unsuitable.
Ensure suitable voltage from the power
supply.
The power cord is not connected to the
outlet correctly.
Make sure that the power cord is
connected to the outlet correctly.
Replace the high voltage power board
P2 No DC power supply
There is no AC power supply.
Make sure the AC power supply is normal.
The low-voltage power supply is faulty.
Replace the high voltage power board
P3 Motor Failure
The motor cable is faulty.
Make sure that the cable is connected
correctly and there are no quality
problems.
The main motor is faulty.
Replace any other motors, ensure that the
main motor is working normally, and
replace it if it is not.
P4 Fuser Unit Failure
There is a poor connection to the
thermistor plug wire.
The temperature relay has burnt out.
Replace the fuser component.
Halogen heating light failure.
Replace the fuser component.
The temperature control from the master
board is faulty.