Code :
- Code: U2 04
- Description: EEPROM read/write error (Serial communication error). EEPROM access process error
- Causes: EEPROM abnormality
- Remedy: Check that the EEPROM is properly set. Cancel by turning OFF/ON the power. Replace the MCU PWB.
- Code: U2 11
- Description: Counter check sum error (EEPROM). Check sum error of the counter area in the EEPROM
- Causes: EEPROM abnormality
- Remedy: Check that the EEPROM is properly set. Use SIM 16 to cancel the trouble. Replace the MCU PWB.
- Code: U2 40
- Description: CRUM chip communication error. An error occurs in MCU-CRUM chip communication.
- Causes: CRUM chip trouble Defective contact of developing unit MCU PWB troubl
- Remedy: Replace the CRUM chip. Check installation of the developing unit. Cancel by turning OFF/ON the power. Replace the MCU PWB.