HP CP6015dn Service Manual - Page 539
Diagnostics that put the engine into the special diagnostics mode, Diagnostic tests
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Diagnostics that put the engine into the special diagnostics mode Four diagnostic tests put the engine into a special state: ● Disable-cartridge check ● paper-path sensors ● Manual sensor test ● Manual sensor test 2 ● Component test While the printer is in the special diagnostics mode, the following message should appear: READY DIAGNOSTICS MODE TO EXIT PRESS STOP When the printer is in the special diagnostics mode, these five tests display in the menu and are available to be run. To gain access into other diagnostic tests or to leave the special state, press Stop, and then select EXIT. The printer will reset itself, and then return to the normal state. NOTE: You need to have a good understanding of how the printer operates in order to use the engine diagnostics successfully. Before proceeding with these diagnostic tests, make sure that you understand the information in chapter 5 of this manual. Diagnostic tests Different tests can be used to isolate different types of issues. For component or noise isolation, you can run the diagnostic test after removing the covers. Removing the covers provides a better view of the areas that are being tested. To operate the printer with the covers removed, the door switch levers must be depressed (this is the door-closed position). WARNING! 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. ENWW Engine diagnostics 497
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