Lexmark X792 - Sensor (ADF Top Door Interlock) Service Check; Skew (550-Sheet Input Option) Service Check

Diagnostic information 2-193
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Sensor (ADF top door interlock) service check
Skew (550-sheet input option) service check
Step Questions / actions Yes No
1 1. Bring the printer up in Diagnostics mode
(turn off the printer, press and hold 3 and 6,
turn on the printer, and hold the buttons until
the splash screen appears).
2. Select SCANNER TESTS.
3. Select Sensor Test.
4. Observe the line item “Sensor (ADF top
door interlock”.
Does the display on the operator panel,
change every time the sensing area of the
above sensor is interrupted or blocked?
The sensor is working
properly.
Go to step 2.
2
Check the above sensor for proper
connection.
Is the above sensor connected properly?
Replace the sensor (ADF
top door interlock).
Go to “Sensor (ADF top
door interlock) removal”
on page 4-209.
Replace the connection.
Step Questions / actions Yes No
1 1. Bring the printer up in Diagnostics mode
(turn off the printer, press and hold 3 and
6, turn on the printer, and hold the buttons
until the splash screen appears).
2. Select PRINT TESTS.
3. Select Tray 1 for the paper source.
4. Select Single.
Is the printout skewed?
Go to “Skew” on
page 2-48.
Go to step 2.
2
Is there a 2000-sheet high-capacity feeder
option installed?
Go to “Skew (2000-sheet
input option) service
check” on page 2-195.
Go to step 3.
3
1. Remove the 550-sheet input option one
by one.
2. Perform a print test on each of the
550-sheet input option.
Is one of the 550-sheet input options
causing the skew?
Go to step 4. Go to step 1.
4
1. Check the paper restrains for damage and
if it’s set correctly.
2. Check for mechanical damage on the tray.
Is the media tray damaged?
Replace the 550-sheet
media tray assembly. See
“550-sheet media tray
assembly removal” on
page 4-240.
Go to step 5.