Lexmark M52 Series Service Manual page 126

Action
Step 3
Make sure that all the trays and tray inserts are properly installed.
Does the problem remain?
Step 4
Enter the Diagnostics menu, and then navigate to:
Input tray quick print >select source tray > Single
Does the problem remain?
Step 5
a
Remove the duplex/MPF tray. See
on page 434.
b
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
c
Find the sensor (Tray 1 pass-through).
Does the sensor status change while toggling the sensor?
Step 6
a
Remove the right cover. See
page 420.
b
Check the sensor cable J73 on the controller board for proper
connection.
Is the cable properly connected?
Step 7
Reseat the cable.
Does the problem remain?
Step 8
Replace the sensor. See "Sensor (tray 1 pass‑through) removal"
on page 468.
Does the problem remain?
Step 9
Check the source tray pick roller for improper installation,
contamination, and damage.
Note: Make sure that the pick roller is fully pressed to its feeder
shaft. A click will be heard indicating a proper engagement
between the latches and the shaft.
Is the pick roller properly installed and free of contamination and
damage?
"Duplex/MPF tray removal"
"Right cover removal" on
Diagnostics and troubleshooting
126
Yes No
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Go to step 9. Go to step 6.
Go to step 8. Go to step 7.
Go to step 8. The problem is
solved.
Go to step 9. The problem is
solved.
Go to step 11. Go to step 10.
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