Code :
- Code: C01
- Description: NVRAM problem.
- Code: C20
- Description: Main drive problem
- Code: C30
- Description: Scan problem. Scan sensors, scan motor, belt tension, cable tension, etc
- Code: C40
- Description: Lens motor problem, lens sensor motor
- Code: C50
- Description: Corona problem: Broken wire, shorted blocks, bad corona, high voltage transformer
- Code: C61
- Description: Low fuser temperature. Problem with heat lamp, connections, thermal switch, thermistor or main board
- Code: C63
- Description: Open fuser thermistor
- Code: C64
- Description: Shorted fuser thermistor