Lexmark M52 Series Service Manual page 175

Action
Step 6
Reinstall, clean, or replace the pick roller. See
on page 503.
Does the problem remain?
Step 7
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 8
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 9
Reseat the cable.
Does the problem remain?
Step 10
Replace the sensor. See "Sensor (250‑ and 550-sheet tray
pass‑through) removal" on page
Does the problem remain?
Step 11
Remove the source tray insert, and then check if the following
components are functional and free of damage:
•
Paper guides
•
Lift plate
Note: Move the components or turn gears to check for proper
mechanisms.
Are the tray insert and its components functional and free of
damage?
Step 12
Replace the tray insert.
Does the problem remain?
"Pick roller removal"
"250‑ and 550-sheet
496.
507.
Diagnostics and troubleshooting
175
Yes No
Go to step 7. The problem is
solved.
Go to step 11. Go to step 8.
Go to step 10. Go to step 9.
Go to step 10. The problem is
solved.
Go to step 11. The problem is
solved.
Go to step 13. Go to step 12.
Go to step 13. The problem is
solved.
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