Code :
- Code: 73
- Description: The drum unit is not mounted.
- Causes:
- Code: 74
- Description: Toner empty
- Causes: Toner sensor defective Toner empty
- 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