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Action
Step 7
Reinstall or replace the sensor. See
trailing edge) removal" on page
Does the problem remain?
Step 8
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b
Find the motor (Duplex/MPF), and then touch Start.
Does the motor run?
Step 9
Reseat the motor cable, and then check the motor for misalignment
and damage.
Is the motor properly installed and free of damage?
Step 10
Reinstall or replace the motor. See
on page
352.
Does the problem remain?
Step 11
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b
Find the sensor (Pass-through (tray [x])).
Does the sensor status change while toggling the sensor?
Step 12
Reseat the sensor cable, and then check the sensor for
misalignment and damage.
Is the sensor properly installed and free of damage?
Step 13
Reinstall or replace the sensor. See
through) removal" on page
Does the problem remain?
Step 14
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b
Find the motor (Pass-through (tray [x])), and then touch Start.
Does the motor run?
"Sensor (550-sheet tray
420.
"Motor (duplex/MPF) removal"
"Sensor (550-sheet tray pass-
419.
Diagnostics and troubleshooting
159
Yes
Go to step 8.
Go to step 11.
Go to step 11.
Go to step 11.
Go to step 14.
Go to step 14.
Go to step 14.
Go to step 17.
5028
No
The problem is
solved.
Go to step 9.
Go to step 10.
The problem is
solved.
Go to step 12.
Go to step 13.
The problem is
solved.
Go to step 15.
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