Engine test button
1. Turn the product on.
2. Use a fine-point tool, (for example a precision-slotted screwdriver with a 1 mm (0.04 in) blade width) to
press the engine test button.
NOTE: Access the engine test button through a hole in the rear cover.
3. An engine test page (lines in each of the print cartridge colors) prints.
Figure 3-3 Engine test button location
Paper-path test
This diagnostic test generates one or more test pages that you can use to isolate the cause of jams.
To isolate a problem, specify which input tray to use, specify whether to use the duplex path, and specify the
number of copies to print. Multiple copies can be printed to help isolate intermittent problems. The following
options become available after you start the diagnostic feature:
●
Print Test Page. Run the paper-path test from the default settings: Tray 2, no duplex, and one copy. To
specify other settings, scroll down the menu and select the setting, and then scroll back up and select
Print Test Page to start the test.
●
Source Tray. Select Tray 1, Tray 2, or the optional tray.
●
Test Duplex Path. Enable or disable two-sided printing.
NOTE: Duplex models only.
●
Number of Copies. Set the numbers of copies to be printed; the choices are 1,10, 50, 100, or 500.
1. Press the Home
button.
2. Open the following menus:
ENWW Tools for troubleshooting 279
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