Lexmark M52 Series Service Manual page 136

Action
Step 9
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 10
Replace the tray insert.
Does the problem remain?
Step 11
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
b
Find the sensor (Tray 1 pass-through).
Does the sensor status change while toggling the sensor?
Step 12
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 13
Reseat the cable.
Does the problem remain?
Step 14
Replace the sensor. See "Sensor (tray 1 pass‑through) removal"
on page 468.
Does the problem remain?
Step 15
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b
Find the sensor (Pick (tray 2)).
Does the sensor status change while toggling the sensor?
"Right cover removal" on
Diagnostics and troubleshooting
136
Yes No
Go to step 11. Go to step 10.
Go to step 11. The problem is
solved.
Go to step 15. Go to step 12.
Go to step 14. Go to step 13.
Go to step 14. The problem is
solved.
Go to step 15. The problem is
solved.
Go to step 19. Go to step 16.
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