Code :
- Code: 71
- Description: Polygon motor does not synchronize with the reference clock.
- Code: 72
- Description: Cannot detect Beam Detect signal.
- Code: 73
- Description: No toner cartridge loaded.
- Code: 74
- Description: Toner empty.
- Code: 75
- Description: In-casing temperature error.
- Code: 76
- Description: Heater harness disconnected or broken.
- Code: 77
- Description: Heater thermistor short circuit
- Code: 78
- Description: Heater thermistor harness disconnected or broken.