Lexmark Optra C710 Service Manual page 59

5016-001
Detecting the paper exit tray open/close
When the paper exit tray opens to remove a jammed print, the
sensor lever shuts off the open/closed sensor so that detection is
performed.
Detecting the duplex upper unit open/close
When the upper unit opens, the actuator detaches from the right
sensor pin in the right hinge. The actuator, pulled by the return
spring, closes the sensor and detection is performed.
General Information
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