Lexmark MS911 Service Manual page 76

Action
Step 2
a
Make sure that the booklet maker transport sensor actuator is
properly installed.
b
Check the actuator for damage, and replace if necessary. See
(booklet maker transport) removal" on page
Does the problem remain?
Step 3
a
Make sure that the sensor (booklet maker transport) is properly
installed.
b
Make sure that the sensor is free of debris or dust.
c
Reseat the cable on the sensor. Check the cable for damage, and
replace if necessary.
d
Check the sensor for damage.
Is the sensor free of damage?
Step 4
a
Test the sensor.
Enter the Diagnostics menu, and then navigate to:
SENSOR TESTS > Hole Punch Booklet Finisher Sensor Tests >
Entrance
b
Toggle the sensor.
Does the sensor status change while toggling the sensor?
Step 5
Replace the sensor. See "Sensor (booklet maker transport) removal" on
page 467.
Does the problem remain?
Step 6
a
Remove the front cover.
b
Test the motor (booklet maker transport).
Enter the Diagnostics menu, and then navigate to:
Motor Tests > Booklet Maker Motor Tests > Transport
c
Check if the belts, gears, and rollers are properly moving.
Are they properly moving?
Step 7
a
Reseat the cable on the motor.
b
Make sure that the motor is properly installed.
c
Check the motor and cable for damage, and replace if necessary. See
"Motor (booklet maker transport) removal" on page
Does the problem remain?
Yes
Go to step 3.
"Sensor
467.
Go to step 4.
Go to step 6.
Go to step 6.
Go to step 8.
Go to step 8.
478.
Diagnostic information
76
4021, 7421
No
The problem is solved.
Go to step 5.
Go to step 5.
The problem is solved.
Go to step 7.
The problem is solved.