Lexmark M52 Series Service Manual page 128

Action
Step 17
Replace the motor. See "Motor (MPF) removal" on page
Does the problem remain?
Step 18
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 (Pick (tray x)), and then touch Start.
Note: For tray x, choose the tray number of the affected
source tray.
Does the motor run?
Step 19
Reseat the cable on the motor and on the optional tray controller
board.
Does the problem remain?
Step 20
Replace the source tray paper feeder. See
tray paper feeder removal" on page
Does the problem remain?
Step 21
Make sure that the source tray controller board is properly
installed. Reseat all the cables on the controller board.
Does the problem remain?
Step 22
Check the source tray controller board and its connector pins for
damage.
Are the tray controller board and its connectors free of damage?
Step 23
Replace the controller board. See
controller board removal" on page
Does the problem remain?
413.
"250‑ and 550-sheet
504.
"250‑ and 550-sheet tray
506.
Diagnostics and troubleshooting
128
Yes No
Go to step 18. The problem is
solved.
Go to step 21. Go to step 19.
Go to step 20. The problem is
solved.
Go to step 21. The problem is
solved.
Go to step 22. The problem is
solved.
Contact the next Go to step 23.
level of support.
Contact the next The problem is
level of support. solved.
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