To run this test:
1 From the Diagnostics menu, navigate to:
Duplex Tests > Sensor Test
2 Testing… appears while the printer is verifying the state of the sensor.
The control panel displays the current state of the sensor.
3 Manually actuate the sensor to make it toggle between Open and Closed. If the sensor does not toggle,
then it is malfunctioning.
4 Press X to exit the test.
Duplex Feed 1
This test feeds a blank sheet of paper from Tray 1 to the duplex paper stop position 1. This test can be run using
any of the supported paper sizes.
To run this test:
1 From the Diagnostics menu, navigate to:
Duplex Tests > Duplex Feed 1
The power indicator blinks while the paper is feeding, and Duplex Feed 1 Feeding… appears. This test
cannot be canceled. The panel displays Duplex Feed 1 Clear Paper when the paper reaches the
duplex paper stop position 1.
2 Remove the sheet of paper from the duplex unit, and shut the duplex door.
3 Press X to clear the message.
Input Tray Tests
Feed Tests
This test feeds blank pages through the paper path. It can run using any of the paper or envelope sizes
supported by the printer.
To run the Feed test:
1 From the Diagnostics menu, navigate to:
Input Tray Tests > Feed Tests
2 Choose the input source. All installed sources appear.
3 Choose any of the following:
• Single—Feeds a single page.
• Continuous—Continuously feeds pages until X is pressed.
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