Description: Conflict firmware and EEPROM data version (MFP)
Causes: Inconsistency between the MFP firmware version and the EEPROM data version.
Remedy: Check the combination of the firmware.
Code: A0-21
Description: Conflict firmware and EEPROM data version (PCU)
Causes: Inconsistency between the PCU firmware version and the EEPROM data version.
Remedy: Check the combination of the firmware.
Code: A0-22
Description: Conflict firmware and EEPROM data version (SCU)
Causes: Inconsistency between the SCU firmware version and the EEPROM data version.
Remedy: Check the combination of the firmware.
Code: E7-01
Description: MFP image data error
Causes: Image data transfer error in the MFPC PWB. MFPC PWB trouble.
Remedy: Check connection of the connector and the harness of the MFPC PWB. Check or replace the MFPC PWB.
Code: E7-03
Description: HDD trouble
Causes: Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble.
Remedy: Check connection of the connector and the harness of the MFPC PWB and HDD. Use SIM62-2, 3 to check read/write operations of the HDD. Replace the HDD. Check or replace the MFPC PWB.
Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. (MFPC PWB trouble.) An error occurs in the HDD-ASIC self test when booting.