Code :
- Code: U3-56
- Description: Cam problem
- Code: U3-59
- Description: Cam problem
- Code: U4-1
- Description: Fuser problem. Long warm up
- Code: U4-2
- Description: Low fuser temperature after warm up
- Code: U4-3
- Description: High fuser temperature
- Code: U4-4
- Description: Open fuser thermistor
- Code: U4-6
- Description: Replace fuser web
- Code: U4-7
- Description: Thermistor signal problem