2-40
Confidential
■ Error code 28
Drum drive motor error.
<User Check>
- If paper or any other foreign object is affixed to the exposure roller of the drum, remove it.
■ Error code 29
Paper eject motor error.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Print Unable 28
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
drum drive motor
Check the harness connection of the
drum drive motor and reconnect it.
2 Drum drive motor failure Replace the drum drive motor.
3 Engine PCB failure Replace the engine PCB ASSY.
4 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Print Unable 29
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
paper eject motor
Check the harness connection of the
paper eject motor and reconnect it.
2 Paper eject motor failure Replace the paper eject motor.
3 Engine PCB failure Replace the engine PCB ASSY.
4 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.