50 Chapter 3 Printer Configuration C4170-90959
Engine Test
The engine test can be used to verify that the print engine is functioning correctly. The
formatter PCB is completely bypassed during an engine test; therefore, this test is useful for
isolating problems. The engine test prints a full page of horizontal lines across the entire
printable area. The engine test page is also useful for checking registration.
To print an engine test page, use a long, non-conductive object to press the engine test
button shown in figure 3-5. A single page is printed.
WARNING! Do not use an electrically conductive object to press the engine test button.
Do not insert any object into the opening next to the power cord socket as shown in figure 3-5.
This is not the engine test button.
Figure 3-5 Engine Test Button
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