Action Yes No
Step 13
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
b Find the sensor (MPF media present).
Does the sensor status change while toggling the sensor?
Go to step 18. Go to step 14.
Step 14
a Remove the right cover. See “Right cover removal” on
page 420.
b Check the sensor cable J73 on the controller board for proper
connection.
Is the cable properly connected?
Go to step 16. Go to step 15.
Step 15
Reseat the cable.
Does the problem remain?
Go to step 16. The problem is
solved.
Step 16
Replace the duplex/MPF tray. See
“Duplex/MPF tray removal” on
page 434.
Does the problem remain?
Go to step 17. The problem is
solved.
Step 17
Replace the sensor (MPF paper present).
Does the problem remain?
Go to step 18. The problem is
solved.
Step 18
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
b Find the sensor (Input).
Does the sensor status change while toggling the sensor?
Go to step 22. Go to step 19.
Step 19
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 21. Go to step 20.
Step 20
Reseat the cable.
Does the problem remain?
Go to step 21. The problem is
solved.
4064
Diagnostics and troubleshooting
117
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