Lexmark M52 Series Service Manual page 165

Action
Step 4
a
Enter the Diagnostics menu, and then navigate to:
Input tray quick print
b
Do feed tests from trays 3 to 5. Check if the same error occurs.
Does the same problem remain?
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b
Find the sensor (Pass-through (tray 3)).
Does the sensor status change while toggling the sensor?
Step 6
a
Remove the optional tray left cover. See
tray left cover removal" on page
b
Check the sensor cable on the optional tray 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 (250‑ and 550-sheet tray
pass‑through) removal" on page
Does the problem remain?
Step 9
Check the affected 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?
Step 10
Reinstall, clean, or replace the pick roller. See
on page 503.
Does the problem remain?
"250‑ and 550-sheet
496.
507.
"Pick roller removal"
Diagnostics and troubleshooting
165
Yes No
Go to step 5. Perform the
appropriate service
check for the specific
error.
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.
Go to step 11. The problem is
solved.
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