Lexmark W850 - Page 149

Diagnostic aids 3-27
4024-XXX
The stacker media bin lowers according to the volume of media it contains. If any obstacle under the tray hinders
the tray from lowering, “Stacker Lower Safety Warning” is detected, and the stacker media bin is stopped.
Actuator
Stacker bin
lift motor assembly
Sensor (stacker bin
level encoder)
Sensor (media
eject shaft HP)
Media eject
motor assembly
Sensor (media
eject clamp HP)
Eject clamp motor
Sensor (stacker bin level 1)
Stacker media bin
Sensor (stacker bin level 2)
Sensor (stacker bin
upper limit)
Sensor (stacker bin no media)