Lexmark MS911 Service Manual page 156

Actions
Step 4
a
Check the coupling for wear or damage, and replace if necessary.
b
Check the motor gears, rollers, and belts for wear or damage, and
replace if necessary.
Does the problem remain?
Step 5
Replace the motor (2500-sheet tray elevator). See
tray elevator) removal" on page
Does the problem remain?
Step 6
a
Make sure that the actuators of the sensor (tray elevator home) and
sensor (main tray elevator limit) are properly installed and aligned.
b
Check the actuators for damage, and replace if necessary.
Does the problem remain?
Step 7
Enter the Diagnostics Menu, and then navigate to:
SENSOR TESTS > 2500-Sheet Tray Sensor Tests
Does the sensor status change while toggling the sensor?
Step 8
a
Make sure that the sensor cables are properly installed.
b
Make sure to route the cables properly.
c
Make sure to reseat the cables on the 2500-sheet tray controller board
and the sensors.
d
Make sure to reseat the junction connectors of the cables.
e
Make sure that the cables do not snag on moving objects.
f
Check the cables for damage, and replace if necessary.
Does the problem remain?
Step 9
a
Remove the tray insert.
b
Make sure that the sensor (tray elevator home) and sensor (main tray
elevator limit) are properly installed.
c
Check the sensors for damage, and replace if necessary. See
"2500‑sheet tray elevator home sensor actuator removal" on
page 338 and "Sensor (2500‑sheet tray main tray elevator limit)
removal" on page 356.
Does the problem remain?
"Motor (2500‑sheet
349.
Diagnostic information
156
Yes No
Go to step 5. The problem is solved.
Go to step 6. The problem is solved.
Go to step 7. The problem is solved.
Go to step 9. Go to step 8.
Go to step 9. The problem is solved.
Contact the next level The problem is solved.
of support.
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