Lexmark M52 Series Service Manual page 923

Elevator drive
For each sheet that is ejected, the elevator bin lowers as the height of the bin stack increases. The motor
(elevator) controls the movement of the bin. The sensors (elevator) detects the bin at its upper and lower
positions.
1 4
1 Sensor (bin paper present)
2 Sensor (elevator, bottom)
3 Sensor (elevator, top)
4 Motor (elevator)
Theory of operation
923
4064
3
2