Lexmark MX81 series - Flatbed Scanner Home Position Error Service Check

Flatbed scanner home position error service check
Action Yes No
Step 1
Check the ADF to flatbed scanner connection for proper connectivity.
Is the above connection properly connected?
Go to step 2. Replace the
connection.
Step 2
Check the sensor (flatbed scanner home position) for damage or
detachment.
Is the above sensor properly attached or free from damage?
Go to step 3. Reattach or replace the
sensor (flatbed scanner
home position).
Step 3
Check the sensor (flatbed scanner home position) for proper operation.
a Enter the Diagnostics Menu.
b Touch SCANNER TESTS.
c Touch Sensor Tests.
d See the line item “sensor (flatbed scanner home position).”
Does the display on the operator panel change every time the sensing
area of the above sensor is interrupted or blocked?
Go to step 5. Go to step 4.
Step 4
Check the sensor (flatbed scanner home position) for proper connection.
Is the above component properly connected?
Reattach or replace the
sensor (flatbed scanner
home position).
Replace the
connection.
Step 5
Check the flatbed scanner drive motor for proper operation.
a Enter the Diagnostics Menu.
b Touch MOTOR TESTS.
c Touch flatbed drive motor.
d Perform test.
Does the motor operate properly?
Go to step 7. Go to step 6.
Step 6
Check the flatbed scanner motor for proper connection.
Is the above component properly connected?
Replace the ADF rear
side drive parts pack.
Replace the
connection.
Step 7
Place an undamaged document on the flatbed scanner and perform a
scanner test.
Does the problem remain?
Replace the flatbed
scanner controller
board. See “Flatbed
scanner PCBA
removal” on page
515.
Problem resolved.
7463
Diagnostic information
135