Lexmark M52 Series Service Manual page 89

Action
Step 17
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?
Step 18
a
Remove the right cover. See
page 420.
b
Check the sensor cable J27 on the controller board for proper
connection.
Is the cable properly connected?
Step 19
Reseat the cable.
Does the problem remain?
Step 20
Replace the sensor. See "Sensor (input) removal" on page
Does the problem remain?
Step 21
Perform a print test on each tray, and then check if the paper is
properly picked and transported out of the source tray by the paper
feeder.
Was the paper properly transported by the paper feeder?
Step 22
Replace the affected paper feeder.
Does the problem remain?
Step 23
Perform a print test, and then check if the paper is properly
transported by the main motor drive to the sensor (input).
Was the paper properly transported by the main motor drive?
Step 24
Replace the main motor drive. See
on page 410.
Does the problem remain?
"Right cover removal" on
"Main motor drive removal"
Diagnostics and troubleshooting
89
Yes
Go to step 21.
Go to step 20.
Go to step 20.
Go to step 21.
440.
Go to step 23.
Go to step 23.
Go to step 25.
Go to step 25.
4064
No
Go to step 18.
Go to step 19.
The problem is
solved.
The problem is
solved.
Go to step 22.
The problem is
solved.
Go to step 24.
The problem is
solved.