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

7562

Sensor (ADF top door interlock) service check

Step
1 1. Enter the diagnostic mode
2. Select Scanner tests
3. Select Sensor tests
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.
2 Check the above sensor for proper connection.
Is the above sensor connected properly?

Skew (550-sheet input option) service check

Step Questions / actions
1 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. Select PRINT TESTS.
3. Select Tray 1 for the paper source.
4. Select Single.
Is the printout skewed?
2
Is there a 2000-sheet high-capacity feeder
option installed?
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?
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?
2-156
Service Manual
Check
Go to "Skew" on
page 2-37.
Go to "Skew (2000-sheet
input option) service
check" on page
Go to step 4.
Replace the 550-sheet
media tray assembly. See
"550-sheet media tray
assembly removal" on
page 4-218.
Yes
The sensor is
working properly
Replace the
sensor (ADF top
door interlock).
Go to Go to
"Sensor (ADF top
door interlock)
removal" on
page 4-188.
Yes
Go to step 2.
Go to step 3.
2-158.
Go to step 1.
Go to step 5.
No
Go to step 2.
Replace the
connection.
No