Lexmark MS81x Service Manual page 58

Action
Step 4
Check media origination.
Did the media originate from the MPF?
Step 5
Check the MPF pick roll assembly.
Is the above component free of excess wear and contamination?
Step 6
Perform a MPF print test, and check the MPF pick solenoid for proper
operation.
Does the above component operate properly?
Step 7
Check the pick roller in the media tray being picked from.
Is the pick roller free of excess wear and contamination?
Step 8
Check the aligner assembly for obstructions.
Is the above component free from obstructions?
Step 9
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 control panel change every time the sensing area
of the above sensor is interrupted or blocked?
Step 10
Check the above sensor for proper connection.
Is the above sensor connected properly?
Step 11
Perform a print test, and check the appropriate media feeder.
Is the media properly picked and advanced out of the appropriate media
tray?
Step 12
Perform a print test, and check the main motor assembly.
Is the media properly transported and able to reach the sensor (input)?
Yes
Go to step 5.
Go to step 6.
Go to
Go to step 8.
Go to step 9.
Go to
Replace the Sensor
(input). See
(input) removal" on
page
Go to step 12.
Go to
Diagnostic information
58
No
Go to step
Clean or replace the
MPF pick roller. See
"MPF pick roller
removal" on page
305.
step 9. Replace the MPF pick
solenoid.
Clean or replace the
pick roller. See
roller assembly
removal" on page
342.
Remove obstructions.
step 11. Go to step 10.
Replace the
"Sensor connection.
310.
Replace the
appropriate media
feeder. See
feeder removal" on
page 356.
step 13. Replace the main drive
motor. See
motor removal" on
page 354.
4063
7.
"Pick
"Media
"Main drive