Upper Cover Sensor
The Upper Cover Sensor detects when the Upper Cover (Door I) is open or removed.
To remove and replace the Sensor:
1.
Remove the Paper Exit Tray (page 5-7).
2.
Remove the Front Door (page 5-8).
3.
Remove the Rear Cover (page 5-11).
4.
Remove the Upper Cover (page 5-13).
5.
Locate the Upper Cover Sensor (see illustration).
Upper Cover Sensor
6.
To remove the Upper Cover Sensor, first remove the 4-wire connector CN24
from the sensor, and then pinch the plastic hooks to pull the sensor free.
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Front Door Sensor
Phaser 7400 Color Printer Options Service Manual
Front Door Switch
s7400-703