Lexmark MX81 series Service Manual page 125

Action
Step 3
Check the sensor (ADF 1st scan) for proper operation.
a
Enter the Diagnostics Menu.
b
Touch SCANNER TESTS.
c
Touch Sensor Tests.
d
Observe the line "sensor (ADF 1st scan)."
Does the display on the operator panel change every time the sensing
area of the above sensor is interrupted or blocked?
Step 4
Check the sensor (ADF 1st scan) for proper connection.
Is the above component properly connected?
Step 5
Check the ADF transport motor for proper operation.
a
Enter the Diagnostics Menu.
b
Touch TESTS.
c
Touch Transport Motor/Deskew Clutch.
d
Touch either Motor Forward or Motor backward
e
Perform test.
Does the ADF pick motor operate properly?
Step 6
Check the ADF transport motor for proper connection.
Is the above component properly connected?
Step 7
Check the deskew clutch for proper operation.
a
Enter the Diagnostics Menu.
b
Touch TESTS.
c
Touch Transport Motor/Deskew Clutch.
d
Touch either Motor Forward or Motor backward
e
Touch Clutch on or Clutch off.
f
Perform test.
Does the deskew clutch produce an audible click which indicates it is
operating properly?
Step 8
Check the deskew clutch for proper connection.
Is the above component properly connected?
Yes
Go to
Replace the sensor
(ADF 1st scan). Go to
"Sensor (ADF 1st scan)
removal" on page
461.
Go to
Replace the ADF rear
side drive parts pack.
Go to
drive parts pack
removal" on page
456.
Go to
Replace the deskew
clutch.
Diagnostic information
123
No
step 5. Go to step 4.
Replace the connection
step 7. Go to step 6.
Replace the connection
"ADF rear side
step 9. Go to step 8.
Replace the connection
7463