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Inverter Lower Paper-Present Sensor
The Inverter Lower Paper-Present Sensor detects the trailing edge of the selected
paper size. To remove the sensor:
1.
Remove the Inverter and base unit from the Finisher (page 5-5).
2.
Remove the Inverter Front Covers (page 5-17).
3.
Remove the Inverter Rear Covers (page 5-19).
4.
Remove the Top Cover (page 5-23).
5.
Remove the Inverter Controller Board (page 5-55).
6.
Remove the Inverter Power Supply Board (page 5-56).
Note
Both Inverter boards must be removed in order to access one of the side screws in
the metal plate.
7.
Remove seven screws (metal flange, 6 mm) from the front metal cover plate; one
from each side near the top, and five from the front of the plate.
8.
Slide the front metal plate away from the chassis to expose the Lower Paper-
Present Actuator.
9.
Disconnect the 3-wire cable from the actuator.
Note
The other end of this cable connects to connector (SNSCN0) on the Inverter
Controller Board.
5-104
Phaser 7400 Color Printer Options Service Manual
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Troubleshooting
