HP LASERJET 5100LE Manuel d'utilisateur télécharger pdf (Page 192)

190 Troubleshooting Q1860-90918

Engine test

The engine test verifies that the print engine is functioning correctly. The formatter is bypassed

during an engine test, but it can still interfere with the test. The engine test is very useful for

isolating printer problems. Because the engine test prints a full page of lines across the entire

printable area, it is also useful for checking and adjusting registration.

Note Make sure that the toner cartridge is installed in the printer before you perform an engine test.

The engine test prints either from Tray 2 (the default), or from the last tray used, and can be

activated with the formatter removed. If the last tray that was used is empty or if the last source

was the duplexer, then the engine test will print from Tray 2.

If Tray 2 is empty, and the last tray that was used is empty, or if the last page went through the

duplexer, or if the printer is in PowerSave mode, then the engine test will not function.

Engine test button location

Figure 122. Location of the engine test button (callout 1)

Printing an engine test

To print an engine test, use a nonmetallic object of 40 mm (1.5 inches) minimum length to press

the engine test button. A single test page with horizontal lines prints. To print multiple test pages,

hold down the engine test button.

Display

The control panel should show READY, OFFLINE, or POWERSAVE ON when the printer is on and

idle. For information about error messages, see “Printer messages” on page 193, or see the

event log. If the display is blank, see “Preliminary operating checks” on page 187.

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HP LASERJET 5100LE Manuel d'utilisateur Page 192