Flatbed Scanner Home Position Error Service Check - Lexmark MX81 Series Service Manual

Flatbed scanner home position error service check

Action
Step 1
Check the ADF to flatbed scanner connection for proper connectivity.
Is the above connection properly connected?
Step 2
Check the sensor (flatbed scanner home position) for damage or
detachment.
Is the above sensor properly attached or free from damage?
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?
Step 4
Check the sensor (flatbed scanner home position) for proper connection.
Is the above component properly connected?
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?
Step 6
Check the flatbed scanner motor for proper connection.
Is the above component properly connected?
Step 7
Place an undamaged document on the flatbed scanner and perform a
scanner test.
Does the problem remain?
Yes
Go to step 2.
Go to step 3.
Go to step 5.
Reattach or replace the
sensor (flatbed scanner
home position).
Go to step 7.
Replace the ADF rear
side drive parts pack.
Replace the flatbed
scanner controller
board. See
scanner PCBA
removal" on page
515.
Diagnostic information
135
No
Replace the
connection.
Reattach or replace the
sensor (flatbed scanner
home position).
Go to step 4.
Replace the
connection.
Go to step 6.
Replace the
connection.
Problem resolved.
"Flatbed
7463