Lexmark CS720 Service Manual page 134

Action
Step 17
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
b
Find the motor (Pass-through (tray 3)), and then touch Start.
Does the motor run?
Step 18
Reseat the motor cable, and then check the motor for misalignment
and damage.
Is the motor properly installed and free of damage?
Step 19
Reinstall or replace the motor. See
pass‑through) removal" on page
Does the problem remain?
Step 20
Perform a print test.
Does the problem remain?
Sensor (tray 3 pass-through): Paper failed to arrive 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?
Step 3
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 4
Replace the paper or change the paper size setting in the tray.
Does the problem remain?
"Motor (550-sheet tray
376.
Diagnostic information
134
Yes No
Go to step 20. Go to step 18.
Go to step 20. Go to step 19.
Go to step 20. 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.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
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