Lexmark M52 Series Service Manual page 151

Action
Step 5
a
Remove the left cover from the optional tray whose motor will
be tested. See "250‑ and 550-sheet tray left cover removal"
on page 496.
b
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
c
Select the motor (Pass‑through (tray x)), and then touch Start.
Note: For tray x, choose the tray number of the affected tray.
Does the motor run?
Step 6
Reseat the cable on the motor and on the optional tray controller
board.
Does the problem remain?
Step 7
Replace the motor. See "Motor (250‑ and 550-sheet tray
transport) removal" on page
Does the problem remain?
Step 8
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 9
Replace the tray insert.
Does the problem remain?
Step 10
Make sure that the controller board of the affected tray is properly
installed. Reseat all the cables on the controller board.
Does the problem remain?
Step 11
Check the affected tray controller board and its connector pins for
damage.
Are the tray controller board and its connectors free of damage?
504.
Diagnostics and troubleshooting
151
Yes No
Go to step 8. Go to step 6.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Go to step 10. Go to step 9.
Go to step 10. The problem is
solved.
Go to step 11. The problem is
solved.
Contact the next The problem is
level of support. solved.
4064