Action Yes No
Step 10
Reseat the motor cable J27 on the controller board.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Replace the motor. See
“Motor (duplex) removal” on page 450.
Does the problem remain?
Go to step 12. The problem is
solved.
Step 12
Perform a print test.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (duplex path) static jam service check
Action Yes No
Step 1
Check the duplex path area for jammed paper and obstructions.
Note: Make sure that all paper fragments are removed.
Is the duplex path area free of jammed paper and obstructions?
Go to step 3. Go to step 2.
Step 2
Remove the jammed paper and obstructions.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
a Remove the duplex/MPF tray. See “Duplex/MPF tray removal”
on page 434.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
c Find the sensor (Duplex path).
Does the sensor status change while toggling the sensor?
Go to step 7. Go to step 4.
Step 4
a Remove the right cover. See “Right cover removal” on
page 420.
b Check the sensor cable J27 on the controller board for proper
connection.
Is the cable properly connected?
Go to step 6. Go to step 5.
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