• Code: 8120
• Description: DF shift motor 2 error (3000-sheet finisher)
  DF shift sensor 2 won’t turn on when it has travelled 160 mm after DF shift motor 2 is driven.
• Causes: DF shift motor 2 [rear]. DF shift sensor 2 [rear]. DF main PWB.
• Remedy: DF shift motor 2 [rear] 1. Execute U240 Motor - Sort Test to check the finisher operation. 2. Manipulate the rear shift guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the rear shift guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift motor 2 [rear] and DF main PWB (YC14) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF shift motor 2 [rear].
  DF shift sensor 2 [rear] 1. Execute U241 Finisher - Shift Tail HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift sensor 2 [rear] and DF main PWB (YC23) 4. Replace the DF shift set sensor2 [rear].
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• Code: 8130
• Description: DF shift release motor error (3000-sheet finisher)
  When the DF shift release motor is driven, DF shift release sensor does not turn on within 1 s.
• Causes: DF shift release motor. DF shift release sensor. DF main PWB.
• Remedy: DF shift release motor 1. Check that cancelling the maintenance mode after executing U240 Motor - Sort for the finisher operation check lets the rear and forth cursors returns to the home position. 2. Manipulate the front and rear shift guide to check it is smoothly operable. 3. Check that the drive from the motor reaches the shift guide front and rear. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift release motor and DF main PWB (YC14) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF shift release motor.
  DF shift release sensor 1. Execute U241 Finisher - Shift Unlock HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF shift release sensor and DF main PWB (YC23) 4. Replace the DF shift release sensor.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• Code: 8140
• Description: DF tray error 1
  When the main tray has ascended, DF tray sensor 1 or DF tray upper surface sensor does not turn on within 20 s.
• Causes: DF tray motor. DF tray sensor 1. DF tray upper surface sensor. DF main PWB.
• Remedy: DF tray motor 1. Execute U240 Motor - Tray to check the finisher operation. 2. Manipulate the main tray up and down to check it is smoothly operable. 3. Check that the drive from the motor reaches the main tray. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray motor and DF Main PWB(YC16) (3000-sheet finisher) DF tray motor and DF Main PWB(YC14) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF tray motor.
  DF tray sensor 1 DF tray upper surface sensor 1. Execute U241 Finisher - Tray U-Limit, Tray Top to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray sensor 1 and DF Main PWB(YC22) (3000-sheet finisher) DF tray upper surface sensor and DF Main PWB(YC21,YC13) (3000-sheet finisher) DF tray sensor 1 and DF main PWB (YC20) (1000-sheet finisher) DF tray upper surface sensor and DF main PWB (YC18) (1000-sheet finisher) 4. Replace the DF tray sensor 1 or DF tray upper surface sensor.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• Code: 8150
• Description: DF tray 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: DF tray motor. DF tray sensor 1. DF tray upper surface sensor. DF main PWB.
• Remedy: DF tray motor 1. Execute U240 Motor - Tray to check the finisher operation. 2. Manipulate the main tray up and down to check it is smoothly operable. 3. Check that the drive from the motor reaches the main tray. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray motor and DF main PWB (YC16) (3000-sheet finisher) DF tray motor and DF main PWB (YC14) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF tray motor.
  DF tray sensor 1 DF tray upper surface sensor 1. Execute U241 Finisher - Tray U-Limit, Tray Top to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray sensor 1 and DF main PWB (YC22) (3000-sheet finisher) DF tray upper surface sensor and DF main PWB (YC21,YC13) (3000-sheet finisher) DF tray sensor 1 and DF main PWB (YC20) (1000-sheet finisher) DF tray upper surface sensor and DF main PWB (YC18) (1000-sheet finisher) 4. Replace the DF tray sensor 1 or DF tray upper surface sensor.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• Code: 8160
• Description: DF tray error 3
  When the main tray has descended, DF tray sensor 4 does not turn on within 20 s.
• Causes: DF tray motor. DF tray sensor 4. DF main PWB.
• Remedy: DF tray motor 1. Execute U240 Motor - Tray to check the finisher operation. 2. Manipulate the main tray up and down to check it is smoothly operable. 3. Check that the drive from the motor reaches the main tray. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray motor and DF main PWB (YC16) (3000-sheet finisher) DF tray motor and DF main PWB (YC14) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF tray motor.
  DF tray sensor 4 1. Execute U241 Finisher - Tray Middle to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF tray sensor 4 and DF main PWB (YC23) (3000-sheet finisher) DF tray sensor 4 and DF main PWB (YC20) (1000-sheet finisher) 4. Replace the DF tray sensor 4.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• 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: DF side registration motor 1. DF side registration sensor 1. DF main PWB.
• Remedy: DF side registration motor 1 1. Execute U240 Motor - Width Test to check the finisher operation. 2. Manipulate the front side registration guide to check it is smoothly operable. 3. Check that the drive from the motor reaches the front side registration guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration motor 1 and DF main PWB (YC15) (3000-sheet finisher) DF side registration motor 1 and DF main PWB (YC11) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF side registration motor 1.
  DF side registration sensor 1 1. Execute U241 Finisher - Width Front to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration sensor 1. and DF main PWB (YC22) (3000-sheet finisher) DF side registration sensor 1. and DF main PWB (YC20) (1000-sheet finisher) 4. Replace the DF side registration sensor 1.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• Code: 8180
• Description: DF side registration motor 1 error 2
  JAM6810 ( jam in front of width alignment) is detected twice.
• Causes: DF side registration motor 1. DF side registration sensor 1. DF main PWB.
• Remedy: DF side registration motor 1 1. Execute U240 Motor - Width Test to check the finisher operation. 2. Manipulate the front side registration guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the front side registration guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration motor 1 and DF main PWB (YC15) (3000-sheet finisher) DF side registration motor 1 and DF main PWB (YC11) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF side registration motor 1.
  DF side registration sensor 1. 1. Execute U241 Finisher - Width Front to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration sensor 1. and DF main PWB (YC22) (3000-sheet finisher) DF side registration sensor 1. and DF main PWB (YC20) (1000-sheet finisher) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the DF side registration sensor 1.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).

• 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: DF side registration motor 2. DF side registration sensor 2. DF main PWB.
• Remedy: DF side registration motor 2 1. Execute U240 Motor - Width Test to check the finisher operation. 2. Manipulate the rear side registration guide back and forth to check it is smoothly operable. 3. Check that the drive from the motor reaches the rear side registration guide. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration motor 2 and DF main PWB (YC15) (3000-sheet finisher) DF side registration motor 2 and DF main PWB (YC11) (1000-sheet finisher) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the DF side registration motor 2.
  DF side registration sensor 2 1. Execute U241 Finisher - Width tail HP to check the finisher switch. 2. Check that the sensor and its mounting bracket are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DF side registration sensor 2 and DF main PWB (YC22) (3000-sheet finisher) DF side registration sensor 2 and DF main PWB (YC20) (1000-sheet finisher) 4. Replace the DF side registration sensor 2.
  DF main PWB Replace the DF main PWB (Refer to the service manual for the document finisher).