Action Yes No
Step 12
a Replace the motor. See “Motor (duplex/MPF) removal” on
page 369.
b Perform a print job.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (duplex path 1): Paper cleared too early 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 rollers for damage.
Are the rollers free of damage?
Go to step 5. Go to step 4.
Step 4
Replace the duplex assembly.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b Find the sensor (Duplex path 1).
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 6.
Step 6
Check the sensor cable for proper connection, and then reseat if
necessary.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Replace the sensor.
Does the problem remain?
Go to step 8. The problem is
solved.
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Diagnostic information
101
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