Lexmark MS911 Service Manual page 153

Action
Step 9
Replace the sensor (2 x 500-sheet tray 4 lift plate level). See
tray transport assembly sensors removal" on page
Does the problem remain?
Step 10
Check the 2 x 500‑sheet tray controller board pins for damage, and replace
if necessary. See "2 x 500-sheet tray controller board removal" on
page 374.
Does the problem remain?
3000‑sheet tray elevator failure service check
Action
Step 1
a
Make sure that the tray is properly installed and aligned to the printer.
b
Reseat the interface cable that is plugged into the 2500‑ or
2 x 500‑sheet tray.
c
Reset the printer.
Does the problem remain?
Step 2
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > 3000‑Sheet Tray Motor Test > Tray elevator
Does the motor run?
Step 3
a
Make sure that the motor (3000-sheet tray elevator) is properly
installed.
b
Reseat the cable on the motor and the cable CN3 on the controller
board.
c
Check the motor for damage, and replace if necessary. See
(3000-sheet tray elevator) removal" on page
Does the problem remain?
Step 4
a
Reseat the cable on all of the sensors.
b
Reseat the cable CN5 on the controller board.
c
If necessary, reseat all of the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Yes
Go to step 10.
"2 x 500-sheet
379.
Contact the next level
of support.
Yes
Go to step 2.
Go to step 4.
Go to step 4.
"Motor
402.
Go to step 5.
Diagnostic information
153
4021
No
The problem is solved.
The problem is solved.
No
The problem is solved.
Go to step 3.
The problem is solved.
The problem is solved.