• 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: C1-10
• Description: Main charger trouble
• Causes: The main charger unit is not installed properly. There is an abnormality in the main charger unit. Disconnection of the high voltage PWB connector. MC/DV high voltage PWB trouble. PCU PWB trouble
• Remedy: Check the output of the main charger with SIM8-2. Check disconnection of the main charger./Replace. Check disconnection of the high voltage PWB connector./Replace. Replace the MC/DV high voltage PWB. Replace the PCU PWB.

• Code: E6-10
• Description: DSPF (CIS) shading error (Black correction)
• Causes: Installation error of the CIS unit harness. CIS unit trouble. DSPF PWB trouble.
• Remedy: Check the installing state of the harness to the CIS unit. Check the CIS unit. Check the DSPF PWB.

• Code: E6-11
• Description: DSPF (CIS) shading error (White correction
• Causes: Installation error of the CIS unit harness. Copy lamp lighting trouble. Dirt on the reference white plate. CIS unit trouble. DSPF PWB trouble. Shading adjustment error
• Remedy: Check the installing state of the harness the CIS unit. Clean the reference white plate. Check the CIS unit. Check the DSPF PWB.

• Code: E6-14
• Description: CIS-ASIC error
• Causes: DSPF PWB trouble.
• Remedy: Replace the DSPF PWB.

• Code: E7-01
• Description: MFP image data error
• Causes: Image data transfer error in the MFP PWB. MFP PWB trouble.
• Remedy: Check connection of the connector and the harness of the MFP PWB. Replace the MFP PWB.

• Code: E7-03
• Description: HDD trouble
• Causes: Connector, harness connection trouble in the MFP PWB and HDD. HDD error file management area data abnormality (FAT breakage). MFP PWB trouble.
• Remedy: Check connection of the connector and the harness of the MFP PWB and HDD. Use SIM62-2,3 to check read/write operations of the HDD. Replace the HDD. Replace the MFP PWB.