Lexmark MS81x Service Manual page 87

Action
Step 6
Check the aligner assembly for obstructions.
Is the above component free from obstructions?
Step 7
Check the sensor (input) for proper operation:
a
Enter the diagnostic mode
b
Select Base sensor test.
c
Observe the line item "input".
Does the display on the operator panel change every time the sensing
area of the above sensor is interrupted or blocked?
Step 8
Check the above sensor for proper connection.
Is the above sensor connected properly?
Step 9
Perform a print test and check the MPF feeder lift plate.
Is the media properly picked and advanced out of the MPF feeder lift
plate?
Step 10
Perform a print test and check the main motor assembly.
Is the media properly transported and able to reach the sensor (input)?
Step 11
Perform a print test.
Does the problem remain?
Yes
Go to step 7.
Go to step 9.
Replace the Sensor
(input). See
(input) removal" on
page
Go to step 10.
Go to step 11.
Contact the next
highest level of
technical support.
Diagnostic information
87
No
Remove obstructions.
Go to step 8.
Replace the
"Sensor connection.
310.
Replace the MPF
feeder lift plate. See
"MPF feeder lift plate
removal" on page
302.
Replace the main drive
motor. See
motor removal" on
page 354.
Problem solved.
4063
"Main drive