• Code: 8010
• Description: Punch motor error 1
  When the punch motor is driven, punch home position sensor does not turn on within 200 ms.
• Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher). Defective connector cable or poor contact in the connector (1000-sheet finisher). Defective punch home position sensor. Defective punch motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector (4000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch home position sensor and punch PWB (YC8) Punch PWB (YC1) and DF main PWB (YC7)
  Defective connector cable or poor contact in the connector (1000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch home position sensor and punch PWB (YC8) Punch PWB (YC1) and DF main PWB (YC8)
  Defective punch home position sensor. Replace the punch home position sensor.
  Defective punch motor. Replace the punch motor.
  Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

• Code: 8020
• Description: Punch motor error 2
  Home position is not obtained in 3 s after home position is initialized or in standby.
• Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher). Defective connector cable or poor contact in the connector (1000-sheet finisher). Defective punch motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector (4000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC7)
  Defective connector cable or poor contact in the connector (1000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC8)
  Defective punch motor. Replace the punch motor.
  Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

• Code: 8030
• Description: Punch motor error 3
  Home position does not turn from On to Off in 50 ms after home position has been initialized.cј
• Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher). Defective connector cable or poor contact in the connector (1000-sheet finisher). Defective punch motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector (4000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC7)
  Defective connector cable or poor contact in the connector (1000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Punch motor and punch PWB (YC4) Punch PWB (YC1) and DF main PWB (YC8)
  Defective punch motor. Replace the punch motor.
  Defective PWB. Replace the punch PWB or DF main PWB and check for correct operation.

• Code: 8040
• Description: Abnormal simultaneous connection of mailbox
  When the mailbox is installed in both the main unit and the finisher.
• Causes: When the mailbox is installed in both the main unit and the finisher.
• Remedy: When the mailbox is installed in both the main unit and the finisher. Uninstall either of the mailboxes.

• Code: 8090
• Description: DF paddle motor error
  When the DF paddle motor is driven, DF paddle sensor does not turn on within 1 s.
• Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher). Defective connector cable or poor contact in the connector (1000-sheet finisher). Defective DF paddle sensor. Defective DF paddle motor. Defective DF main PWB.
• Remedy: Defective connector cable or poor contact in the connector (4000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF paddle motor and DF main PWB (YC15) DF paddle sensor and DF main PWB (YC22)
  Defective connector cable or poor contact in the connector (1000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF paddle motor and DF main PWB (YC11) DF paddle sensor and DF main PWB (YC20)
  Defective DF paddle sensor. Replace the DF paddle sensor.
  Defective DF paddle motor. Replace the DF paddle motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8100
• Description: DF eject release motor error
  When the DF eject release motor is driven, DF bundle discharge sensor does not turn on within 1 s.
• Causes: Defective connector cable or poor contact in the connector (4000-sheet finisher). Defective connector cable or poor contact in the connector (1000-sheet finisher).
• Remedy: Defective connector cable or poor contact in the connector (4000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF eject release motor and DF main PWB (YC12) DF bundle discharge sensor and DF main PWB (YC22)
  Defective connector cable or poor contact in the connector (1000-sheet finisher). Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DF eject release motor and DF main PWB (YC10) DF bundle discharge sensor and DF main PWB (YC20)
  Defective DF bundle discharge sensor. Replace the DF bundle discharge sensor.
  Defective DF eject release motor. Replace the DF eject release motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8110
• Description: DF shift motor 1 error (4000-sheet finisher)
  When the DF shift motor 1 is driven, DF shift sensor 1 does not turn on within 160 ms.
• Causes: Defective connector cable or poor contact in the connector. Defective DF shift sensor 1. Defective DF shift motor 1. Defective DF 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. DF shift motor 1 and DF main PWB (YC14) DF shift sensor 1 and DF main PWB (YC23)
  Defective DF shift sensor 1. Replace the DF shift sensor 1.
  Defective DF shift motor 1. Replace the DF shift motor 1.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8120
• Description: DF shift motor 2 error (4000-sheet finisher)
  When the DF shift motor 2 is driven, DF shift sensor 2 does not turn on within 160 ms.
• Causes: Defective connector cable or poor contact in the connector. Defective DF shift sensor 2. Defective DF shift motor 2. Defective DF 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. DF shift motor 2 and DF main PWB (YC14) DF shift sensor 2 and DF main PWB (YC23)
  Defective DF shift sensor 2. Replace the DF shift sensor 2.
  Defective DF shift motor 2. Replace the DF shift motor 2.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.