Samsung MAX-673V Service Manual page 6

Troubleshooting
3-1-3 Open Operation
OPEN
PICK-UP LIMIT SW (ON OFF)
UP/DOWN MOTOR (CCW)
PICK-UP DRIVE UNIT SW(DOWN)
UP/DOWN MOTOR STOP
LOADING MOTOR (CW)
OPEN SW (LOW)
LOADING MOTOR STOP
END
Samsung Electronics 3-3