Brother MFC8460N

• Code: 75
• Description: In casing temperature error.
• Causes: In casing temperature sensor defective

• Code: 76
• Description: Heater overheats.
• Causes: Thermistor in the fuser unit defective PS PCB unit defective Main PCB defective

• Code: 77
• Description: The power supply is turned off when the error 76 or 78 occurs.
• Causes:

• Code: 78
• Description: Temperature of the heater does not rise.
• Causes: Poor connection in the harness of the halogen lamp Halogen lamp defective Thermistor defective PS PCB unit defective Main PCB defective

• Code: 79
• Description: Thermistor in the machine defective
• Causes: Extremely high or low temperature inside the machine

• Code: 7A
• Description: Main motor does not synchronize with the reference clock.
• Causes: Main PCB defective Main motor defective