• Code: C0170
• Description: Copy counts problem • A check sum error occurred with the backup data of the copy counters.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.

• Code: C0180
• Description: Backup memory data problem B • Backup data on the scanner main PCB enters initial condition.
• Causes: Correct EEPROM is not installed. Data damage of EEPROM.
• Remedy: Install the correct EEPROM. If it does not solve the problem, contact the Service Administrative Division. Contact the Service Administrative Division.

• Code: C0210
• Description: CPU communication problem • There is no reply after 16 retries at communication.
• Causes: Defective engine controller PCB. Defective scanner main PCB. Poor contact in the connector terminals.
• Remedy: Replace the engine controller PCB and check for correct operation. Replace the scanner main PCB and check for correct operation. Check the connection of the engine controller PCB and scanner main PCB, and the continuity across the connector terminals. Repair or replace if necessary.

• Code: C0240
• Description: Printer board communication problem • The printer does not respond 120 seconds after the power is turned on. • The printer board does not respond for 60 seconds even if a communication request signal is transmitted from the engine controller PCB.
• Causes: Poor contact in the connector terminals. DIMM installed incorrectly. Defective engine controller-printer board relay PCB or printer board. Defective engine controller PCB.
• Remedy: Check the connection of connector YC201 on the engine controller-printer board relay PCB and the connector on the printer board. Repair or replace if necessary. Check the connection. Repair or replace if necessary. Replace the engine controller-printer board relay PCB or printer board and check for correct operation. Replace the engine controller PCB and check for correct operation.

• Code: C0250
• Description: Network scanner board communication problem • There is no reply after 20 retries at communication.
• Causes: Poor contact in the connector terminals. Defective scanner main PCB or network scanner board.
• Remedy: Check the connection of connector YC1114 on the scanner main PCB and the connector on the network scanner board. Repair or replace if necessary. Replace the scanner main PCB or network scanner board and check for correct operation.

• Code: C0280
• Description: Abnormal communication between MMI and fax control PCB • After MMI PCB status change signal turns on 1 minute, when it does not receive key required command from the fax control PCB, one time it resets the FAX. After that, while MMI PCB status change signal turns on furthermore 1 minute, when it does not receive key required command from the fax control PCB. • When FAX_READY signal continues “fake” for 6 s, one time it resets the FAX. After that, when FAX_READY “ fake” continues " fake " for 6 s.
• Causes: Poor contact in the connector terminals. Defective scanner main PCB or fax control PCB.
• Remedy: Check the connection of connector YC1123 on the scanner main PCB and the connector on the fax control PCB. Repair or replace if necessary. Replace the scanner main PCB or fax control PCB and check for correct operation.

• Code: C0440
• Description: Document finisher communication problem • The microcomputer of scanner main PCB does not commnunicate to the document Document finisher. No communication: there is no reply after 3 retries. Abnormal communication: a communication error (parity or checksum error) is detected five times in succession.
• Causes: Poor contact in the connector terminals. Defective scanner main PCB. Defective finisher main PCB.
• Remedy: Check the connection of connectors YC1125 on the scanner main PCB and CN2 on the finisher main PCB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the scanner main PCB and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C0610
• Description: Bitmap problem • The DIMM on the scanner main PCB does not operate correctly.
• Causes: Defective scanner main PCB.
• Remedy: Replace the scanner main PCB and check for correct operation.