Brother DCP-8065DN

Confidential
9-5
Error Code
(Hex)
Symptom Probable Cause
Solution
69
Side thermistor low
temperature error
Side thermistor break
Replace the fuser unit.
Thermistor defective Replace the fuser unit.
Main PCB defective Replace the main PCB.
6A
Heater warming-up timeout
error. (Heater does not reach
60 ˚С within 12 second.)
Power supply PCB
defective
Replace the power supply
PCB.
Thermistor defective
Halogen lamp defective
Replace the fuser unit.
Main PCB defective Replace the main PCB.
6B
Heater warming-up timeout
error. (Heater does not reach
100 ˚С within 9 second.)
Power supply PCB
defective
Replace the power supply
PCB.
Thermistor defective Replace the fuser unit.
Main PCB defective Replace the main PCB.
6C Heater temperature exceeds
the maximum high
temperature. (270˚С or more
is detected for 1sec.)
Power supply PCB
defective
Replace the power supply
PCB.
6D Not used.
Halogen lamp defective Replace the fuser unit. 6E Heater temperature does not
go up enough.
Power supply PCB
defective
Replace the power supply
PCB.
Thermistor defective Replace the fuser unit. 6F Heater hard limiter operates
Power supply PCB
defective
Replace the power supply
PCB.
70 Not used.
Laser unit defective Replace the laser unit. 71
Scanner motor does not
synchronize with the
reference clock.
Main PCB defective Replace the main PCB.
Laser unit defective Replace the laser unit. 72
Cannot detect Beam Detect
signal.
Main PCB defective Replace the main PCB.
73
Not used.
Toner sensor defective Replace the toner sensor. 74 Toner empty
Main PCB defective
Replace the main PCB.
In casing temperature
sensor defective
Replace the in casing
temperature sensor.
75 In casing temperature error.
Main PCB defective Replace the main PCB.