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HP LaserJet Enterprise M407

Troubleshooting. Engine test

Learn about troubleshooting the printer using the engine test diagnostic.

When the engine test is performed, a test page with lines prints if the engine is functioning correctly.

NOTE: Depending on printer models, either a simplex engine test page, a duplex engine test page, or both simplex and duplex engine test pages might be available.

Depress and hold the cartridge door release button, and then open and close the cartridge door four times within a three second time period to print a simplex engine test page. Open and close the door five times within a three second period to print a duplex engine test page.

 

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Service Mode, Troubleshooting
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