Make sure the printer is correctly connected and is powered-on.
Run the printer self-test.
If the printer self-test does not run correctly, the problem is in the printer. Refer to the printer service manual.
If the printer self-test runs correctly, do the following.
Verify the port settings in configuration.
Install a wrap plug on the port (indicated in configuration) and run the advanced diagnostic tests.
If the advanced diagnostic tests (with the wrap plug installed) do not detect a failure, replace the printer cable.
If the problem is not corrected, replace the system board.
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