Lexmark CX725 Service Manual page 104

Action
Step 3
Check the duplex paper path for paper jams and obstructions.
Is the paper path free of jams and obstructions?
Step 4
Remove the jams and obstructions.
Does the problem remain?
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (Duplex path 2).
Does the sensor status change while toggling the sensor?
Step 6
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 7
Check the sensor for damage, and replace if necessary.
Does the problem remain?
Step 8
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests >
Duplex/MPF
b
Select a setting, and then touch Start.
Does the motor run?
Step 9
Check the motor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 10
a
Replace the motor. See
page 369.
b
Perform a print job.
Does the problem remain?
"Motor (duplex/MPF) removal" on
Diagnostic information
104
Yes No
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
Go to step 8. Go to step 6.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Go to step 11. Go to step 9.
Go to step 10. The problem is
solved.
Go to step 11. The problem is
solved.
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