Lexmark CS720 Service Manual page 145

Action
Step 12
Reseat the sensor cable, and then check the sensor for
misalignment and damage.
Is the sensor properly installed and free of damage?
Step 13
Reinstall or replace the sensor. See
through) removal" on page
Does the problem remain?
Step 14
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b
Find the motor (Pass-through (tray [x])), and then touch Start.
Does the motor run?
Step 15
Reseat the motor cable, and then check the motor for misalignment
and damage.
Is the motor properly installed and free of damage?
Step 16
Reinstall or replace the motor. See
pass‑through) removal" on page
Does the problem remain?
Step 17
Perform a print test.
Does the problem remain?
Sensors (tray [x] trailing edge and pass-through): Paper arrived too late service check
Action
Step 1
a
From the home screen, touch Settings > Device > Preferences.
b
Check if the paper size matches the size set on the tray guides.
Does the paper size match the size set on the tray?
Step 2
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
"Sensor (550-sheet tray pass-
379.
"Motor (550-sheet tray
376.
Diagnostic information
145
Yes No
Go to step 14. Go to step 13.
Go to step 14. The problem is
solved.
Go to step 17. Go to step 15.
Go to step 17. Go to step 16.
Go to step 17. The problem is
solved.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
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