HP (Hewlett-Packard) CF081A#BGJ Benutzerhandbuch

Press the Down arrow   button to highlight the Link Speed menu, and then press the 

OK

 button.

Select the appropriate link speed, and then press the 

OK

 button.

This section provides an overview of the engine diagnostics that are available in the HP LaserJet

Enterprise 500 color M551 product. The product contains extensive internal diagnostics that help in

troubleshooting print quality, paper path, noise, component, and timing issues.

Different tests can be used to isolate different types of issues. For component or noise isolation, you can

run the diagnostic test when the front and right doors are open. To operate the product with the doors

open, the door switch levers must be depressed to simulate a closed-door position.

Be careful when performing printer diagnostics to avoid risk of injury. Only trained

service personnel should open and run the diagnostics with the covers removed. Never touch any of the

power supplies when the printer is turned on.

Open the right and front doors.

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Chapter 3   Solve problems

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