Brother MFC6800

• Code: 77
• Description: Power turned off and on at the occurrence of error 76 or 78.

• Code: 78
• Description: Heater thermistor short-circuited. Or heater thermistor harness disconnected or broken when the machine is on standby.

• Code: 79
• Description: Toner thermistor harness disconnected or broken.

• Code: 80
• Description: Paper size setting error.

• Code: 82
• Description: Paper feeding error.

• Code: 83
• Description: Paper jam. The registration sensor remains ON.