Lexmark MX71x Service Manual page 152

Action
Step 3
Check the sensor (ADF 2nd scan) for proper operation.
a
Enter the Diagnostics Menu.
b
Touch SCANNER TESTS.
c
Touch Sensor Tests.
d
Observe the line "sensor (ADF 2nd scan)."
Does the display on the operator panel change every time the sensing
area of the sensor is interrupted or blocked?
Step 4
Check the sensor (ADF 2nd 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 the test.
Does the ADF pick motor operate properly?
Step 6
Check the ADF transport motor for proper connection.
Is the component properly connected?
Step 7
Place an undamaged document in the ADF, and perform a ADF test.
Does the error remain?
Step 8
Perform a print test using the ADF.
Does the problem remain?
Yes
Go to step 4.
Replace the sensor
(ADF 2nd scan). Go to
"Interrupt with flag
sensor (ADF 2nd scan)
removal" on page
614.
Go to step 7.
Replace the ADF rear
side drive parts pack.
Go to
drive parts pack
removal" on page
600.
Replace the ADF
controller board.
Contact the next level
of support.
Diagnostic information
152
No
Go to step 4.
Replace the
connection.
Go to step 6.
Replace the
connection.
"ADF rear side
The problem is solved.
The problem is solved.
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