Lexmark CS720 Service Manual page 100

Error code Description
232.91 Paper remains detected at the sensor (duplex
path 2) after the printer is turned on.
Sensor (MPF/pass‑through): Paper (duplex job) 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 the duplex 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
Check the tray for damage, and replace if necessary.
Does the problem remain?
Step 6
Check the sensor (MPF/pass‑through) area for paper jams and
obstructions.
Is the paper path free of jams and obstructions?
Step 7
Remove the jams and obstructions.
Does the problem remain?
Step 8
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (MPF/pass‑through).
Does the sensor status change while toggling the sensor?
Action
See
service check" on page
Diagnostic information
100
"Sensor (duplex path 2) static jam
98.
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 6. The problem is
solved.
Go to step 8. Go to step 7.
Go to step 8. The problem is
solved.
Go to step 11. Go to step 9.
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