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Sensor (MPF/pass‑through): Paper (duplex job) 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 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
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Step 5
Check the paper path for paper jams and obstructions.
Is the paper path free of jams and obstructions?
Step 6
Remove the jams and obstructions.
Does the problem remain?
Step 7
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?
Step 8
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 9
Check the isolation unit for damage, and replace if necessary. See
"Isolation unit removal" on page
Does the problem remain?
409.
Diagnostics and troubleshooting
114
Yes
Go to step 3.
Go to step 3.
Go to step 5.
Go to step 5.
Go to step 7.
Go to step 7.
Go to step 10.
Go to step 9.
Go to step 10.
5028
No
Go to step 2.
The problem is
solved.
Go to step 4.
The problem is
solved.
Go to step 6.
The problem is
solved.
Go to step 8.
The problem is
solved.
The problem is
solved.
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