Lexmark M52 Series Service Manual page 347

Action
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
b
Select the motor (Pass‑through (tray x)), and then touch Start.
Note: For tray x, choose the tray number of the affected
optional 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 (transport) of the affected optional tray. See
"Motor (250‑ and 550-sheet tray transport) removal" on
page 504.
Does the problem remain?
Step 8
Make sure that the interface cable of the affected tray is properly
installed.
Does the problem remain?
Step 9
Check the interface cable and its connector pins for damage.
Is the interface cable free of damage?
Step 10
Replace the optional tray interface cable. See
sheet tray interface cable removal" on page
Does the problem remain?
Step 11
Make sure that the source tray controller board is properly
installed. Reseat all the cables on the controller board.
Does the problem remain?
Step 12
Check the source tray controller board and its connector pins for
damage.
Are the tray controller board and its connectors free of damage?
"250‑ and 550-
510.
Diagnostics and troubleshooting
347
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 9. The problem is
solved.
Go to step 11. Go to step 10.
Go to step 11. The problem is
solved.
Go to step 12. The problem is
solved.
Contact the next Go to step 13.
level of support.
4064