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