Description: Copy counts problem A checksum error is detected in the main and sub backup memories for the copy counters.
Causes: Data damage of EEPROM.Defective main PWB.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division. Defective main PWB. Replace the main PWB and check for correct operation.
Code: C0180
Description: Backup memory data problem Backup data on the main PWB has broken.
Causes: Data damage of EEPROM.
Remedy: Data damage of EEPROM. Contact the Service Administrative Division if the problem occurs frequently.
Code: C0210
Description: CPU communication problem There is no reply after 3 retries at communication.
Causes: Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of the engine PWB and main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the engine PWB or main PWB and check for correct operation.
Code: C0220
Description: Communication problem between the scanner PWB and main PWB There is no reply after 6 retries at communication.
Causes: Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector on the scanner PWB and the connector on the main PWB. Repair or replace if necessary. Defective PWB. Replace the scanner PWB or main PWB and check for correct operation.
Code: C0240
Description: Printer PWB communication problem The printer PWB does not respond 120 s after the power is turned on.
Causes: Poor contact in the connector terminals. DIMM or DDR installed incorrectly. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC21 on the engine PWB and the connector YC7 on the printer PWB, and the continuity across the connector terminals. Repair or replace if necessary. DIMM or DDR installed incorrectly. Check the connection of DIMM or DDR. Repair or replace if necessary. Defective PWB. Replace the printer PWB or engine PWB and check for correct operation.
Code: C0250
Description: Network scanner PWB communication problemThe response to the alive command to the network scanner transmitted once to 30 s does not come on the contrary three consecutive times or more. The response to the communication command transmitted to the network scanner does not return 75 s or more. (This code indicates only scanner function display.
Causes: Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC4 on the main PWB and the connector YC1 on the network scanner PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the scanner network PWB or main PWB and check for correct operation.