Lexmark CS748de, Service Manual

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Diagnostic aids
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To run the Quick Test (duplex):
1. Select
Quick Test
from DUPLEX TESTS.
2. Select
Single
or
Continuous
.
• The single Duplex Quick test cannot be canceled.
• The printer attempts to print the Quick Test Page from the default paper source.
• Check the Quick Test Page for the correct offset between the placement of the first scan line on the
front and back side of a duplexed sheet.
The single test stops automatically when a single duplex sheet is printed, and the continuous test continues until
you press
.
Print Test (duplex)
This test provides service personnel with a way to verify the function of the printer’s duplex hardware. After the
user selects this test, the device automatically executes a continuous print test that generates a duplexed, color
output page. To stop the test, the user must press
. While this test executes, the power indicator light blinks
green and the panel displays “DUPLEX TESTS Printing...”.
The paper you choose to print the page on should be either Letter or A4.
To run the Print Test (duplex):
1.
Select
DUPLEX TEST
in the Diagnostics Menu.
2.
Select
Print Test
.
The printer executes a continuous print test that generates a duplexed, color output page.
3.
To stop the test, press .