Code :
- Code: 523
- Description: Jogger home sensor
- Code: 541
- Description: Fuser thermistor
- Code: 542
- Description: Fuser does not warm-up
- Code: 543
- Description: Fuser temperature too high. Monitored by main board
- Code: 544
- Description: Fuser temperature too high. Monitored by optics board
- Code: 545
- Description: Low fuser temperature. Monitored by main board
- Code: 546
- Description: Low fuser temperature. Monitored by optics board
- Code: 547
- Description: Fuser lamp won't shut off