Brother DCP 8085DN

3-20
Confidential
■ Error code 70
Fuser motor error
■ Error code 71
Laser unit polygon mirror failure
Error code 72
Laser beam emission failure
■ Error code 75
Sensor of the inside temperature for detection detected higher than constant temperature
Print Unable 70
Turn the power off and then back on again.
Step Cause Remedy
1 Motor failure Replace the main motor.
2 Main PCB failure Replace the main PCB ASSY.
Print Unable 71
Turn the power off and then back on again.
Print Unable 72
Turn the power off and then back on again.
Step Cause Remedy
1 Laser scanner unit failure Replace the laser scanner unit.
2 Main PCB failure Replace the main PCB ASSY.
Cooling Down
Wait for a while
User Check
• Lower the inside temperature.
Step Cause Remedy
1 Thermistor ASSY failure Replace the laser scanner unit.
2 Main PCB failure Replace the main PCB ASSY.