Code :

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Remedy: Replace the MFP PWB EEPROM. Replace the MFP PWB. Check the power environment.

Code: U2-05
Description: HDD/MFP PWB SRAM contents inconsistency
Causes: The HDD or the MFP PWB which differs from that before turning OFF the power is installed. HDD trouble. MFP PWB trouble.
Remedy: Use SIM16 to cancel the error. If there is backup data (export data by device cloning), import it.

Code: U2-11
Description: MFP PWB EEPROM counter check sum error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Remedy: Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-30
Description: MFP PWB and PCU PWB manufacturing No. data inconsistency
Causes: Inconsistency between the manufacturing No. saved in the PCU PWB and that in the MFP PWB. When replacing the PCU PWB or the MFP PWB, the EEPROM which was mounted on the PWB before replacement is not mounted on the new PWB. MFP PWB trouble. PCU PWB trouble
Remedy: Check that the EEPROM is properly set. Check to confirm that the EEPROM which was mounted on the PWB before replacement is mounted on the new PWB. Replace the MFP PWB. Replace the PCU PWB.

Code: U2-40
Description: SD card system storage data area error
Causes: File error occurs in the SD card system storage data partition. SD card trouble. MFP PWB trouble.
Remedy: Turn OFF/ON the power and the backup data in the HDD are written into the SD card and the machine is automatically booted. Check the MFP PWB and replace if necessary. Check the SD card and replace if necessary.

Code: U2-41
Description: HDD system storage data area error
Causes: File error occurs in the HDD system saved data area disabling backup of the saved file of the machine adjustment value in the SD card. HDD trouble. MFP PWB trouble.
Remedy: Check the HDD, and replace if necessary. Check the MFP PWB, and replace if necessary. When replacing the HDD and MFP PWB, refer to the chapter of “necessary procedures of HDD and MFP PWB replacement.

Code: U2-42
Description: Machine adjustment data (system storage data area) error
Causes: The saved file of the machine adjustment values in the SD card and the HDD cannot be found or is broken. Both of the SD card set data and HDD system saved data area are corrupted. HDD trouble. MFP PWB trouble. SD card trouble.
Remedy: Check the HDD, and replace if necessary. Check the MFP PWB, and replace if necessary. Check the SD card, and replace if necessary. Use SIM to adjust the machine again and set the adjustment values.

Code: U2-50
Description: HDD user authentication data check sum error
Causes: HDD trouble. MFP PWB trouble. Strong external noises
Remedy: Check the data related to the check sum error (address book, image send system registration data) Use SIM16 to cancel U2 trouble. Replace the HDD. Replace the MFP PWB.