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Action
Step 7
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (Duplex path 2).
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 sensor for damage, and replace if necessary.
Does the problem remain?
Step 10
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > Isolation
b
Touch Start.
Does the motor run?
Step 11
Check the motor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 12
a
Replace the isolation unit. See
page
409.
b
Perform a print job.
Does the problem remain?
Sensor (duplex path 2): Paper (duplex job) cleared too early 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?
"Isolation unit removal" on
Diagnostics and troubleshooting
109
Yes
Go to step 10.
Go to step 9.
Go to step 10.
Contact the next
level of support.
Go to step 12.
Contact the next
level of support.
Yes
Go to step 3.
5028
No
Go to step 8.
The problem is
solved.
The problem is
solved.
Go to step 11.
The problem is
solved.
The problem is
solved.
No
Go to step 2.
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