• Code: 1800
• Description: Paper feeder 1 communication error
  A communication error is detected 10 times in succession.
• Causes: Paper feeder. Connector cable or poor contact in the connector. PF main PWB. Control PWB.
• Remedy: Paper feeder Follow installation instruction carefully again.
  Connector cable or poor contact in the connector Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF main PWB (YC3) and control PWB (YC22)
  PF main PWB Replace the PF main PWB (Refer to the service manual for the paper feeder).
  Control PWB Replace the control PWB and check for correct operation.

• Code: 1810
• Description: Paper feeder 2 communication error
  A communication error from paper feeder is detected 10 times in succession.
• Causes: Paper feeder. PF main PWB. Control PWB.
• Remedy: Paper feeder Check the wiring connection status with the main unit and, if necessary, try connecting it again.
  PF main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC1) and control PWB (YC22) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB.
  Control PWB 1. Check the control software and upgrade to the latest, if necessary. 2. Replace the control PWB and check for correct operation.

• Code: 1820
• Description: Paper feeder 3 communication error
  A communication error from paper feeder is detected 10 times in succession.
• Causes: Paper feeder. PF main PWB. Control PWB
• Remedy: Paper feeder Check the wiring connection status with paper feeder unit 2 and, if necessary, try connecting it again.
  PF main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC1) and PF main PWB (YC22). 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB.
  Control PWB 1. Check the control software and upgrade to the latest, if necessary. 2. Replace the control PWB and check for correct operation.

• Code: 1830
• Description: Paper feeder 4 communication error
  A communication error from paper feeder is detected 10 times in succession.
• Causes: Paper feeder. PF main PWB. Control PWB
• Remedy: Paper feeder Check the wiring connection status with paper feeder unit 3 and, if necessary, try connecting it again.
  PF main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC1) and PF main PWB (YC22). 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB.
  Control PWB 1. Check the control software and upgrade to the latest, if necessary. 2. Replace the control PWB and check for correct operation.

• Code: 1900
• Description: Paper feeder 1 EEPROM error
  When writing the data, read and write data does not match 4 times in succession.
• Causes: PF main PWB (EEPROM)
• Remedy: PF main PWB (EEPROM) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB.

• Code: 1910
• Description: Paper feeder 2 EEPROM error
  When writing the data, read and write data does not match 4 times in succession.
• Causes: PF main PWB (EEPROM)
• Remedy: PF main PWB (EEPROM) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in.Replace the PF main PWB.

• Code: 1920
• Description: Paper feeder 3 EEPROM error
  When writing the data, read and write data does not match 4 times in succession.
• Causes: PF main PWB (EEPROM)
• Remedy: PF main PWB (EEPROM) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB.

• Code: 1930
• Description: Paper feeder 4 EEPROM error
  When writing the data, read and write data does not match 4 times in succession.
• Causes: PF main PWB (EEPROM)
• Remedy: PF main PWB (EEPROM) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB.