Lexmark W850n Service Manual page 269

20.
While pressing the PC cartridge drive coupler (G), lift the front side of the PC cartridge guide (C) upward.
21.
Disconnect the connector from the sensor (humidity and temperature) (H).
22.
Remove the screw securing the sensor (humidity and temperature) (H) to the PC cartridge guide (C).
23.
Remove the sensor (humidity and temperature) (H).
C
Connector
G
Left
4024-110
4-91
Repair information