HP laserjet 2015 series Service Manual
Diagnostic resources
Engine test
The engine test verifies that the print engine is functioning correctly. During the test, the printer prints
horizontal lines down the entire printable area of a page. The formatter is bypassed during the
engine test.
horizontal lines down the entire printable area of a page. The formatter is bypassed during the
engine test.
NOTE
The formatter must be connected to the ECU to perform an engine test.
1.
Remove the left side cover.
2.
Press the engine-test switch. A single test page prints.
Figure 7-1
Location of engine-test switch
Continuous self-test
The continuous self-test puts the device into a continuous printing mode without having to send jobs
to it.
to it.
1.
Turn off the printer.
2.
Press and hold the
Go
button.
3.
Turn on the printer and continue to hold the
Go
button for approximately 20 seconds, but no
longer than 30 seconds, until the
Attention
and
Ready
lights illuminate.
4.
Release the
Go
button.
NOTE
If the
Attention
,
Ready
, and
Go
lights illuminate before you release the
Go
button, start again at step 1.
5.
The
Ready
light starts blinking, indicating that the device is performing a continuous self-test.
To terminate the continuous self-test, press the
Cancel
button.
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Chapter 7 Problem solving
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