4-160
Troubleshooting
● Code : 53-000 ● Error message : Finisher door is open. Close it
● Symptom : Although the finisher door is closed, the error message will be displayed.
● Possible Cause: Finisher door switch defect , Finisher Cover flag defect
● Troubleshooting method :
1. Check if the finisher door switch is operated properly.
2. Check if the finisher cover flag is broken.
3. If the problem persists, replace the finisher main board.