• Code: 8830
• Description: Bridge communication error (document finisher)
  A communication error is detected 10 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. Engine PWB (YC9) and Engine connect PWB (YC1) Engine connect PWB (YC7) and DF relay PWB (YC2) DF relay PWB (YC4) and bridge PWB (YC5)
  Defective PWB. Replace the bridge PWB or the engine PWB and check for correct operation.

• Code: 8990
• Description: Backup memory data problem (document finisher)
  Read and write data does not match 3 times in succession.
• Causes: Defective connector cable or poor contact in the connector. EEPROM installed incorrectly. Defective finisher main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Check the connection of connector on the finisher main PWB and the connector of the machine, and the continuity across the connector terminals. Repair or replace if necessary.
  EEPROM installed incorrectly. Install EEPROM correctly.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: 9000
• Description: Document processor communication error
  A communication error is detected 10 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 and ISC PWB (YC12)
  Defective PWB. Replace the DP main PWB or the ISC PWB and check for correct operation.

• Code: 9010
• Description: Coin vender communication error
  A communication error from coin vender is detected 10 times in succession
• Causes: Defective connector cable or poor contact in the connector. Data setup failure. Defective coin vender control PWB. 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.
  Data setup failure. Set maintenance mode U206 to off when a coin vender is not installed.
  Defective coin vender control PWB. Replace the coin vender control PWB.
  Defective PWB. Replace the video PWB and check for correct operation.

• Code: 9060
• Description: DP EEPROM error
  Mismatch between writing data and reading data occurs three times successively. Mismatch of reading data from two locations occurs three times successively.
• Causes: Defective PWB. Device damage of EEPROM.
• Remedy: Defective PWB. Replace the DP main PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: 9100
• Description: Coin vender control PWB error
  Communication error has been detected at the coin mec of the coin vender control PWB.
• Causes: Defective coin vender control PWB.
• Remedy: Replace the coin mec.

• Code: 9110
• Description: Coin vender error
  Communication error has been detected in connection with the coin mec and the rejector.
• Causes: Rejector installed incorrectly. Defective rejector.
• Remedy: Rejector installed incorrectly. Check the rejector is properly installed and, if not, perform the corrective action.
  Defective rejector. Replace the rejector.

• Code: 9120
• Description: Sensor error in coin vender change (Yen 10)
  Change is empty despite change is enough.
• Causes: Coin jam in the change tube. Poor contact in the connector. Defective change empty sensor. Defective coin vender control PWB.
• Remedy: Coin jam in the change tube Check visually and remedy.
  Poor contact in the connector. Check if the change empty sensor is intact.
  Defective change empty sensor. Defective coin vender control PWB. Replace the coin mec.