Error code Description Action
232.91 Paper remains detected at the sensor (duplex
path 2) after the printer is turned on.
See
“Sensor (duplex path 2) static jam
service check” on page 98.
Sensor (MPF/pass‑through): Paper (duplex job) failed to arrive service check
Action Yes No
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?
Go to step 3. Go to step 2.
Step 2
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check the duplex paper path for paper jams and obstructions.
Is the paper path free of jams and obstructions?
Go to step 5. Go to step 4.
Step 4
Remove the jams and obstructions.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the tray for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the sensor (MPF/pass‑through) area for paper jams and
obstructions.
Is the paper path free of jams and obstructions?
Go to step 8. Go to step 7.
Step 7
Remove the jams and obstructions.
Does the problem remain?
Go to step 8. The problem is
solved.
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?
Go to step 11. Go to step 9.
5028
Diagnostic information
100
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