Adf Paper Present Sensor Test; Fb Cover Open Sensor Test - Lexmark X548 Series Service Manual

ADF paper present sensor test

This test should be used if the ADF fails to feed paper when a scan is performed. To test this sensor:
ADF Paper Present: 0 appears.
1.
Open the ADF top cover.
2.
Press and hold the ADF paper present sensor actuator (A) at the top of the ADF unit.
3.
The value of ADF Paper: should change from 0 to 1 if the sensor is working properly.
4.
Press to return to SCANNER TESTS.
5.

FB cover open sensor test

This test verifies the functionality of the FB cover closed sensor. To test this sensor:
FB Cover Open: 0 appears.
1.
Lift the flatbed cover, the value of FB Cover Open changes from 0 to 1.
2.
7525-63x
A
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