• Code: 8130
• Description: DF shift release motor error (4000-sheet finisher)
  When the DF shift release motor is driven, DF shift release sensor does not turn on within 1 s.
• Causes: Defective connector cable or poor contact in the connector. Defective DF shift release sensor. Defective DF shift release motor. 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 release motor and DF main PWB (YC14) DF shift release sensor and DF main PWB (YC23)
  Defective DF shift release sensor. Replace the DF shift release sensor.
  Defective DF shift release motor. Replace the DF shift release motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8140
• Description: DF tray motor error 1
  When the main tray has started ascending, DF tray sensor 1 or DF tray upper surface sensor does not turn on within 20 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 sensor. Defective DF tray 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 tray motor and DF main PWB (YC16) DF tray sensor 1 and DF main PWB (YC22) DF tray upper surface sensor and DF main PWB (YC21, YC13)
  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 tray motor and DF main PWB (YC14) DF tray sensor 1 and DF main PWB (YC20) DF tray upper surface sensor and DF main PWB (YC18)
  Defective sensor. Replace DF tray sensor 1 or DF tray upper surface sensor.
  Defective DF tray motor. Replace the DF tray motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8150
• Description: DF tray motor error 2
  When the main tray has descended, DF tray sensor 1 or DF tray upper surface sensor does not turn off within 5 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 sensor. Defective DF tray 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 tray motor and DF main PWB (YC16) DF tray sensor 1 and DF main PWB (YC22) DF tray upper surface sensor and DF main PWB (YC21, YC13)
  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 tray motor and DF main PWB (YC14) DF tray sensor 1 and DF main PWB (YC20) DF tray upper surface sensor and DF main PWB (YC18)
  Defective sensor. Replace DF tray sensor 1 or DF tray upper surface sensor.
  Defective DF tray motor. Replace the DF tray motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8160
• Description: DF tray motor error 3
  When the main tray has descended, DF tray sensor 3 does not turn on within 20 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 tray sensor 3. Defective DF tray 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 tray motor and DF main PWB (YC16) DF tray sensor 3 and DF main PWB (YC23)
  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 tray motor and DF main PWB (YC14) DF tray sensor 3 and DF main PWB (YC20)
  Defective DF tray sensor 3. Replace DF tray sensor 3.
  Defective DF tray motor. Replace the DF tray motor.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8170
• Description: DF side registration motor 1 error 1
  When initial operation, DF side registration sensor 1 does not turn on within 3 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 side registration sensor 1. Defective DF side registration motor 1. 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 side registration motor 1 and DF main PWB (YC15) DF side registration sensor 1 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 side registration motor 1 and DF main PWB (YC11) DF side registration sensor 1 and DF main PWB (YC20)
  Defective DF side registration sensor 1. Replace DF side registration sensor 1.
  Defective DF side registration motor 1. Replace DF side registration motor 1.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8180
• Description: DF side registration motor 1 error 2
  JAM6810 is detected twice.
• 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 side registration sensor 1. Defective DF side registration motor 1. 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 side registration motor 1 and DF main PWB (YC15) DF side registration sensor 1 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 side registration motor 1 and DF main PWB (YC11) DF side registration sensor 1 and DF main PWB (YC20)
  Defective DF side registration sensor 1. Replace DF side registration sensor 1.
  Defective DF side registration motor 1. Replace DF side registration motor 1.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8190
• Description: DF side registration motor 2 error 1
  When initial operation, DF side registration sensor 2 does not turn on within 3 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 side registration sensor 2. Defective DF side registration motor 2. 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 side registration motor 2 and DF main PWB (YC15) DF side registration sensor 2 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 side registration motor 2 and DF main PWB (YC11) DF side registration sensor 2 and DF main PWB (YC20)
  Defective DF side registration sensor 2. Replace DF side registration sensor 2.
  Defective DF side registration motor 2. Replace DF side registration motor 2.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.

• Code: 8200
• Description: DF side registration motor 2 error 2
  JAM6910 is detected twice.
• 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 side registration sensor 2. Defective DF side registration motor 2. 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 side registration motor 2 and DF main PWB (YC15) DF side registration sensor 2 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 side registration motor 2 and DF main PWB (YC11) DF side registration sensor 2 and DF main PWB (YC20)
  Defective DF side registration sensor 2. Replace DF side registration sensor 2.
  Defective DF side registration motor 2. Replace DF side registration motor 2.
  Defective DF main PWB. Replace the DF main PWB and check for correct operation.