Lexmark CS720 Service Manual page 72

Sensor (input): Paper failed to clear 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 the paper path for paper jams and obstructions.
Is the paper path free of jams and obstructions?
Step 4
Remove the jams and obstructions.
Does the problem remain?
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (Input).
Does the sensor status change while toggling the sensor?
Step 6
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 7
Check the sensor for damage, and replace if necessary.
Does the problem remain?
Step 8
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > Deskew
b
Touch Start.
Does the motor run?
Diagnostic information
72
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.
Go to step 8. Go to step 6.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Contact the next Go to step 9.
level of support.
5028