Brother DCP-8085DN Service Manual page 90

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■ Error code 68
Print Unable 68
Turn the power off and then back on again.
Temperature rise when heater is off
Step
1
Fuser unit failure
2
Main PCB failure
■ Error code 69
Print Unable 69
Turn the power off and then back on again.
Mis-connect center thermistor connector
Step
Harness connection failure of fuser
1
unit.
Harness connection failure of relay
2
rear PCB ASSY.
3
Fuser unit failure
4
Main PCB failure
Cause
Cause
3-18
Remedy
Replace the fuser unit
Replace the main PCB ASSY.
Remedy
Check the harness connection of fuser unit
and reconnect it.
Check the harness connection of the relay
rear PCB ASSY and reconnect it.
Replace the fuser unit
Replace the main PCB ASSY.
Confidential

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