• Code: 8250
• Description: Main tray error 4 In case the lock signal is 0.7V or less for 10 s in succession during the DF tray motor drive. (35/40 ppm model only)
• Remedy: DF tray motor 1. Execute [Motor] > [Tray] in U240 Checking the operation of the finisher. 2. Check if the main tray can be moved up and down manually without getting caught. 3. Check if the motor drive is delivered to 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 - DF main PWB(YC11) 5. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 6. Replace the DF tray motor.
  DF main PWB Replace the DF main PWB.

• Code: 8260
• Description: DF middle motor home position detection error A middle paddle jam has been detected 2 times in succession.
• Remedy: DF middle motor 1. Execute [Motor] > [Middle(H)(L)] in U240 Checking the operation of the finisher. 2. Check if the motor drive is delivered to the paddle. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. DF middle motor - DF main PWB(YC8) 4. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 5. Replace the DF middle motor.
  DF paddle sensor 1. Execute [Finisher]>[Lead Paddle] in U241 Checking the operation of the finisher switch. 2. Check if there is a failure in the position of the sensor or mounting plate. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. DF paddle sensor - DF main PWB(YC19) 4. Replace the DF paddle sensor.
  DF main PWB Replace the DF main PWB.

• Code: 8410
• Description: Punch slide motor error 1 In case the punch slide sensor is not turned ON when the home position has moved 60mm. (35/40 ppm model only)
• Remedy: Punch slide motor 1. Execute [Motor] > [Punch Move] in U240 Checking the operation of the finisher. 2. The punch slide section of the punch unit moves back and forth manually without being caught. 3. Check if the motor drive is delivered to the punch section. 4. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch slide motor - Punch PWB (YC3) 5. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 6. Replace the punch slide motor.
  Punch slide sensor 1. Execute [Punch] > [Punch HP] in U241 Checking the operation of the finisher switch. 2. Check if there is a failure in the position of the sensor or mounting plate. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch slide sensor - Punch PWB (YC6) 4. Replace the punch slide sensor.
  Punch PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch PWB - DF main PWB (YC7) 2. Replace the Punch PWB.
  DF main PWB Replace the DF main PWB.

• Code: 8420
• Description: Punch slide motor error 2 During paper edge detection, in case a paper edge cannot be detected even when the paper moves 60mm (35/40 ppm model only)
• Remedy: Punch slide motor 1. Execute [Motor] > [Punch Move] in U240 Checking the operation of the finisher. 2. The punch slide section of the punch unit moves back and forth manually without being caught. 3. Check if the motor drive is delivered to the punch section. 4. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch slide motor - Punch PWB(YC3) 5. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 6. Replace the punch slide motor.
  Punch paper edge sensor 1,2 1. Execute [Punch] > [Edge] Face1,2,3,4 in U241 Checking the operation of the finisher switch. 2. Check if there is a failure in the position of the sensor or mounting plate. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch paper edge sensor 1,2 - Punch PWB (YC8,YC5) 4. Replace the punch paper edge sensor 1,2.
  Punch unit PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch PWB - DF main PWB (YC7) 2. Replace the Punch PWB.
  DF main PWB Replace the DF main PWB.

• Code: 8430
• Description: Punch unit communication error In case no communication is established with the punch unit. (35/40 ppm model only)
• Remedy: Punch PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. Punch PWB - DF main PWB (YC7) 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Replace the Punch PWB.
  DF main PWB Replace the DF main PWB.

• Code: 8500
• Description: Mailbox communication error In case no communication is established after confirming connection with the mail box.
• Remedy: MB main PWB 1. Turn the power switch off. Then, after waiting 5 seconds, turn the power on. 2. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. MB main PWB - DF main PWB 3. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 4. Replace the MB main PWB.
  DF main PWB Replace the DF main PWB.

• Code: 8510
• Description: MB drive motor error 1 In case unable to detect the MB home position sensor is turned ON when passing 5 s during the initial operation.
• Remedy: MB conveying motor 1. Correct the mechanism if the conveying roller gets caught when rotating it manually. 2. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. MB drive motor - MB main PWB(YC4) 3. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 4. Replace the MB drive motor.
  MB home position sensor 1. Execute [Mail Box] > [Motor HP] in U241 Checking the operation of the finisher switch. 2. Check if there is a failure in the position of the sensor or mounting plate. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. MB home position sensor - MB main PWB(YC3) 4. Replace the MB home position sensor.
  MB main PWB Replace the MB main PWB.

• Code: 8520
• Description: MB drive motor error 2 In case unable to detect the MB home position sensor is turned OFF when passing 1 s during standby.
• Remedy: MB drive motor 1. Execute [Mail Box] > [Conv] in U240 Checking the operation of the finisher. 2. Check if the conveying roller of the mail box can be rotated manually without being caught. 3. Check if the motor drive is delivered to the conveying roller. 4. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. MB drive motor - MB main PWB(YC4) 5. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 6. Replace the MB drive motor.
  MB home position sensor 1. Execute [Mail Box] > [Motor HP] in U241 Checking the operation of the finisher switch. 2. Check if there is a failure in the position of the sensor or mounting plate. 3. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. MB home position sensor - MB main PWB(YC3) 4. Replace the MB home position sensor.
  MB main PWB Replace the MB main PWB.