Xerox Paser 7400 Service Manual page 333

5.
Separate the feeder top, and then turn the top over to remove 2 (black, plastic
10 mm) screws that secure the sensor housing to the feeder.
6.
Turn the feeder top upright, and the release the 2 hooks that secure the sensor
housing to the top of the feeder.
7.
Release the hooks that secure the sensor in the housing.
8. Disconnect the sensor connector (P/J43), and then remove the sensor.
Replacement Note
Use care when replacing the feeder top. Make sure the Level, and Low Paper
Sensor flags operate properly before tightening the screws.
Service Parts Disassembly
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