• Code: A0-21
• Description: Machine level error (PCU detection). Combination error of the machine production / modification level and firmware
• Causes: Combination error of the machine production / modification level and firmware.
• Remedy: Check the combination of the machine production / modification level and the firmware.

• Code: A0-22
• Description: Machine level error (SCU detection). Combination error of the machine production / modification level and firmware
• Causes: Combination error of the machine production / modification level and firmware.
• Remedy: Check the combination of the machine production / modification level and the firmware.

• Code: C1-00
• Description: Charger trouble. Main charger output abnormality (output open) / The trouble signal is outputted from the high voltage transformer
• Causes: The main charger is not installed properly. The main charger is not assembled properly. The connector of the high voltage transformer is disconnected. The high voltage harness is disconnected or broken.
• Remedy: Use Sim. 8-2 to check the operation of the main charger. Check for disconnection of the main charger. Replace the high voltage unit.

• Code: C1-01
• Description: Charger cleaner trouble. The charger cleaner shift is not completed within the specified time
• Causes: Charger unit trouble. RE sensor, HP sensor, motor, PCU PWB, harness connection trouble.
• Remedy: Check connection of the charger unit, the PCU PWB, and the harness.

• Code: E6-10
• Description: Shading trouble black correction (SPF). The CCD black scan level is abnormal when the copy lamp is turned off
• Causes: Installation failure of the harness to the CCD unit CCD unit abnormality, DSPF PWB abnormality.
• Remedy: Check installation of the harnesses to the CCD unit. Check the CCD unit and the DSPF PWB.

• Code: E6-11
• Description: Shading trouble white correction (SPF). The CCD white reference plate scan level is abnormal when the copy lamp is turned on
• Causes: Installation failure of the harness to the CCD unit Dirt on themirror, the lens, and the reference white plate. Copy lamp lighting trouble. CCD unit abnormality, DSPF PWB abnormality. Shading Sim. not executed / Shading ROM abnormality.
• Remedy: Check installation of the harnesses to the CCD unit. Check installation of the harnesses to the copy lamp unit. Clean the mirror, the lens, and the reference white plate. Check the CCD unit and the DSPF PWB.

• Code: E6-14
• Description: CCD-ASIC abnormality (SPF). The written register value cannot be read out
• Causes: DSPF PWB abnormality
• Remedy: Check the DSPF PWB.

• Code: E7-00
• Description: System memory trouble (The Tandem memory is not guaranteed.). The system memory cannot be accessed
• Causes: Expansion memory installation state abnormality. Data garble.
• Remedy: Check installation of the system expansion memory. Check memory read /write with Sim. 60-01. Replace the expansion memory. (If it is installed.) Replace the MFPC PWB.