Samsung ML-1645

Service Manual
Alignment & Troubleshooting
4-33
Samsung Electronics
6) No lamp on when the cover is open
1. Check the connector
and circuit of the cover switch
department in the Main Control board.
Perform DCU mode : If Error state
'64' occurs, Check the related
codes of the Cover
Open Error
1. Check the insertion of the Cover
Open S/W Connect.
2. Replace the Main Control board
or Cover Open S/W.
• Description The ERROR lamp does not come on even when the printer cover is open