Lexmark X792 Service Manual page 147

Step Questions / actions
3 Check if the pass thru sensor is seated
correctly and the sensor flag can move back
to its original position when it is triggered.
Is the pass-thru sensor free of
obstruction?
4 1. Bring the printer up in Diagnostics menu
(turn off the printer, press and hold 3 and
6, turn on the printer, and hold the buttons
until the splash screen appears).
2. Navigate to INPUT TRAY TESTS > FEED
TEST.
3. Select the input source.
4. Select Single.
Does the error persists?
5 Check the pick roll assembly.
Is the pick roll assembly not damaged?
Yes
Go to step 4.
Go to step 5.
Go to step 6.
No
Install the pass thru sensor
correctly.
Problem solved.
For 550-sheet input option:
Replace the pick roll
assembly. See "550-sheet
tray pick roll assembly
removal" on page 4-232.
For 2000-sheet input
option: Replace the pick
roll assembly. See "2000-
sheet high-capacity
feeder pick roll assembly
removal" on page 4-278.
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Diagnostic information
7562