4. Troubleshooting4-18SAMSUNG ELECTRONICSService ManualCLX-FIN40S/CLX-FIN40L● Code : H2-2577 ● Error message : Finisher Error #H2-2577. Please open/close door.● Symptom :Stapler main moving motor is not working properly.● Troubleshooting method :Is the stapler main home sensor is working? (Perform diagnostic routine 116-5340)YES / NO Î 1. Check if the sensor is out-of-place.2. Check if the connectors of the sensor is disconnected.3. Check if the connector P7 on the finisher main board is disconnected.4. Check the harness continuity and replace it if required.5. Replace the stapler main home sensor.6. Replace the finisher main board.Is the stapler safety position sensor working? (Perform diagnostic routine 116-5380)YES / NO Î 1. Check if the connector of stapler safety position sensor is disconnected.2. Check if the connector P6 on the finisher main board is disconnected.3. Check the harness continuity and replace it if required.4. Replace the stapler safety position sensor.5. Replace the finisher main board.Is the stapler main moving motor working? (Perform diagnostic routine 116-0090)YES / NO Î 1. Check if the connector of stapler main moving motor is disconnected.2. Check if the connector P6 on the finisher main board is disconnected.3. Check the harness continuity and replace it if required.4. Replace the stapler main positioning motor.5. Replace the finisher main board.Replace the stapler module.