Sensor (MPF/pass
‑
through): Paper (duplex job) failed to clear service check
Diagnostics and troubleshooting
114
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 409
.
Does the problem remain?