• Code: 1150
• Description: BPF lift motor downward error (Bulk paper feeder)
  BPF lift minimum sensor does not turn on. The lock signal of the motor is detected continuously three times.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the motor. Defective BPF lift motor. Defective BPF 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. BPF lift motor and BPF main PWB
  Defective drive transmission system of the motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective BPF lift motor. Replace the BPF lift motor.
  Defective BPF main PWB. Replace the BPF main PWB.

• Code: 1800
• Description: Paper feeder 1 communication error
  A communication error is detected 10 times in succession.
• Causes: Improper installation paper feeder. Defective connector cable or poor contact in the connector. Defective engine PWB. Defective PF main PWB.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  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. PF main PWB (YC3) and engine PWB (YC22)
  Defective engine PWB. Replace the engine PWB and check for correct operation.
  Defective PF main PWB. Replace the PF main PWB.

• Code: 1810
• Description: Paper feeder 2 communication error
  A communication error is detected 10 times in succession.
• Causes: Improper installation paper feeder. Defective connector cable or poor contact in the connector. Defective PF main PWB.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  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. PF main PWB (YC3) and PF main PWB (YC4)
  Defective PF main PWB. Replace the PF main PWB.

• Code: 1820
• Description: Paper feeder 3 communication error
  A communication error is detected 10 times in succession.
• Causes: Improper installation paper feeder. Defective connector cable or poor contact in the connector. Defective PF main PWB.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  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. PF main PWB (YC3) and PF main PWB (YC4)
  Defective PF main PWB. Replace the PF main PWB.

• Code: 1830
• Description: Paper feeder 4 communication error
  A communication error is detected 10 times in succession.
• Causes: Improper installation paper feeder. Defective connector cable or poor contact in the connector. Defective PF main PWB.
• Remedy: Improper installation paper feeder. Follow installation instruction carefully again.
  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. PF main PWB (YC3) and PF main PWB (YC4)
  Defective PF main PWB. Replace the PF main PWB.

• Code: 1900
• Description: Paper feeder 1/BPF paper feeder EEPROM error
  When writing the data, the write data and the read data is not in agreement.
• Causes: Defective PF main PWB. Device damage of EEPROM.
• Remedy: Replace the PF main PWB or the BPF main PWB.

• Code: 1910
• Description: Paper feeder 2 EEPROM error
  When writing the data, the write data and the read data is not in agreement.
• Causes: Defective PF main PWB. Device damage of EEPROM.
• Remedy: Replace the PF main PWB.

• Code: 1920
• Description: Paper feeder 3 EEPROM error
  When writing the data, the write data and the read data is not in agreement.
• Causes: Defective PF main PWB. Device damage of EEPROM.
• Remedy: Replace the PF main PWB.