Action Yes No
Step 21
Replace the media feeder. See
“Media feeder removal” on
page 422.
Does the problem remain?
Go to step 22. The problem is
solved.
Step 22
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?
Go to step 25. Go to step 23.
Step 23
Reseat the sensor cable, and then check the sensor for
misalignment and damage.
Is the sensor properly installed and free of damage?
Go to step 25. Go to step 24.
Step 24
Reinstall or replace the sensor. See
“Sensor (550-sheet tray pass-
through) removal” on page 448.
Does the problem remain?
Go to step 25. The problem is
solved.
Step 25
a Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
b Find the motor (Pass‑through (tray [x])), and then touch Start.
Does the motor run?
Go to step 28. Go to step 26.
Step 26
Reseat the motor cable, and then check the motor for misalignment
and damage.
Is the motor properly installed and free of damage?
Go to step 28. Go to step 27.
Step 27
Reinstall or replace the motor. See
“Motor (550-sheet tray
pass‑through) removal” on page 445.
Does the problem remain?
Go to step 28. The problem is
solved.
Step 28
Perform a print test.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
7528
Diagnostic information
157
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