• Code: 9200
• Description: DP multi feed sensor communication error
  A communication error is detected 3 times in succession.
• Causes: Defective connector cable or poor contact in the connector.
  Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP main PWB (YC1) and ISC PWB (YC12) ISC PWB (YC3) and main PWB (YC11)
  Defective PWB. Replace the DP main PWB or the ISC PWB and check for correct operation.

• Code: 9210
• Description: DP multi feed sensor error
  The DP multi feed sensor has signaled the presence of paper for 10 ms continuously.
• Causes: Defective connector cable or poor contact in the connector.
  Defective DP multi feed sensor.
  Defective DP main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP multi feed sensor and DP main PWB (YC11)
  Defective DP multi feed sensor. Replace the DP multi feed sensor.
  Defective DP main PWB. Replace the DP main PWB and check for correct operation.

• Code: 9220
• Description: DP multi feed sensor backup error
  When writing the data, read and write data does not match 3 times in succession.
• Causes: Defective connector cable or poor contact in the connector.
  Defective DP multi feed sensor.
  Defective DP main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP multi feed sensor and DP main PWB (YC11)
  Defective DP multi feed sensor. Replace the DP multi feed sensor.
  Defective DP main PWB. Replace the DP main PWB and check for correct operation.

• Code: 9500, 9510, 9520
  
• Description: Contact the Service Administrative Division.
• Causes:
• Remedy: Contact the Service Administrative Division.

• Code: F000
• Description: Communication error between main PWB and operation PWB
• Causes: Defective main PWB.
  Defective operation PWB.
• Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
  Defective operation PWB. Replace the operation PWB and check for correct operation.

• Code: F010
• Description: Main PWB checksum error
• Causes: Defective main PWB.
• Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.

• Code: F040
• Description: Communication error between main PWB and print engine
• Causes: Defective main PWB.
  Defective engine PWB.
• Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: F041
• Description: Communication error between main PWB and scanner engine
• Causes: Defective main PWB.
  Defective ISC PWB.
• Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
  Defective ISC PWB. Replace the ISC PWB and check for correct operation.