Error Code 400D900
Error Code: 400D900
Result: Simultaneous dark detection in both the tray
Solution:
1. Remove the remaining notes and foreign objects in the tray and throat unit
2. Check each sensor
Error Code: 400D900
Result: Simultaneous dark detection in both the tray
Solution:
1. Remove the remaining notes and foreign objects in the tray and throat unit
2. Check each sensor