Lexmark MX71 Series Repair Manual page 365

3
Remove the two screws (B), and then remove the link.
Sensor (stapler/stacker rear door interlock) removal
1
Remove the stapler left cover. See
2
Disconnect the cable (A) from the sensor.
3
Release the latches securing the sensor to the frame, and then remove the sensor.
"Stapler/offset stacker left cover removal" on page
Repair information
735
7463
726.