Paper sensor test, Paper sensor test -4 – Lexmark 4090-001 User Manual

Page 29

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Diagnostic Aids 3-4

4090-001

Paper Sensor Test

This test checks the paper sensor on the system board.

During the test, the power light remains on. The Busy light reflects
the paper sensor status in the following manner:

On - paper is in sensor

Off - paper is not in sensor

To run the test:

1. Turn the printer off and place a two pin jumper on connector J6

as shown below. (Pins 3 & 4)

2. Press and hold the Paper Feed

button while turning the

printer on, to start the test. Release the button when the printer
completes POST. Turn power off or unplug the printer to stop
the test.

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