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Confidential
■ Error code 020F
The main motor other than the official specifications is used.
■ Error code 0300
The Lock signal of the polygon motor of the laser unit cannot be detected.
Error code 0401
BD sensor 1 damaged.
Error code 0402
BD sensor 4 damaged.
Print Unable 02
Turn the power off and then back on again.
Step Cause Remedy
1 Incorrect specifications of the 
main motor
Replace the process drive unit with a 
correct one.
2 Main PCB failure Replace the main PCB ASSY.
Print Unable 03
Turn the power off and then back on again.
Print Unable 04
Turn the power off and then back on again.
Print Unable 04
Turn the power off and then back on again.
Step Cause Remedy
1 Connection failure of the polygon 
motor harness
Reconnect the polygon motor harness.
2 Laser unit failure Replace the laser unit.
3 Main PCB failure Replace the main PCB ASSY.