Lexmark MX81 series Service Manual page 123

Action
Step 4
Check the sensor (ADF pick) for proper operation. 1. Enter the Diagnostics
Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Observe the
line "sensor (ADF pick)".
Does the display on the operator panel change every time the sensing
area of the above sensor is interrupted or blocked?
Step 5
Check the sensor (ADF pick) for proper connection.
Is the above component properly connected?
Step 6
Check the ADF pick motor for proper operation.
a
Enter the Diagnostics Menu.
b
Touch motor TESTS.
c
Touch Pick Motor.
d
Perform the test.
Does the ADF pick motor operate properly?
Step 7
Check the ADF pick motor for proper connection.
Is the above component properly connected?
Step 8
Place an undamaged document in the ADF, and perform a ADF test.
Does the error remain?
Step 9
Perform a print test using the ADF.
Does the problem remain?
Yes
Go to
Replace the sensor
(ADF pick).
Go to
Replace the ADF rear
side drive parts pack.
Replace the ADF
controller PCBA.
Contact the next
highest level of
support.
Diagnostic information
121
No
step 6. Go to step 5.
Replace the connection
step 8. Go to step 7.
Replace the connection
Problem solved.
Problem solved.
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