Brother MFC8440

• Code: 5C
• Description: Paper size error of one side only in case of double-sided print.
• Causes:

• Code: 5D
• Description: MP tray sensor remains ON.
• Causes: • MP tray sensor

• Code: 5E
• Description: MP tray sensor remains OFF.
• Causes: • MP tray sensor

• Code: 5F
• Description: DX unit sensor is inactivated.
• Causes: • DX unit sensor

• Code: 6A
• Description: Heater warming-up timeout error. (Heater does not reach 60°C within 11 sec.)
• Causes: • Thermistor ASSY • Halogen lamp

• Code: 6B
• Description: Heater warming-up timeout error. (Heater does not reach 100°C within 15 sec.)
• Causes: • Thermistor ASSY • Halogen lamp