Lexmark CX725 Service Manual page 157

Action
Step 21
Replace the media feeder. See
page 422.
Does the problem remain?
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?
Step 23
Reseat the sensor cable, and then check the sensor for
misalignment and damage.
Is the sensor properly installed and free of damage?
Step 24
Reinstall or replace the sensor. See
through) removal" on page
Does the problem remain?
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?
Step 26
Reseat the motor cable, and then check the motor for misalignment
and damage.
Is the motor properly installed and free of damage?
Step 27
Reinstall or replace the motor. See
pass‑through) removal" on page
Does the problem remain?
Step 28
Perform a print test.
Does the problem remain?
"Media feeder removal" on
"Sensor (550-sheet tray pass-
448.
"Motor (550-sheet tray
445.
Diagnostic information
157
Yes No
Go to step 22. The problem is
solved.
Go to step 25. Go to step 23.
Go to step 25. Go to step 24.
Go to step 25. The problem is
solved.
Go to step 28. Go to step 26.
Go to step 28. Go to step 27.
Go to step 28. The problem is
solved.
Contact the next The problem is
level of support. solved.
7528