Lexmark X95 series - Scanner Unit Assembly Software Logic Failure

Diagnostic information 2-253
7558-xxx
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846.12 Scanner unit assembly software logic failure
4
Check the sensor (ADF scan
width 2) for connection.
Is the above sensor connected
properly?
Replace the sensor (ADF scan
width 2).
Go to “Sensor (ADF scan width
2) removal” on page 4-254.
Replace the connection.
5
Check the sensor (ADF scan
width 3) for operation.
Perform the sensor (ADF scan
width 3) test.
Open the ADF left cover
assembly.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch ADF/SCANNER
TESTS.
4. Touch Sensor(ADF scan
width 3).
Operate the actuator of the
sensor (ADF scan width 3).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is blocked?
Go to step 7. Go to step 6.
6
Check the sensor (ADF scan
width 3) for connection.
Is the above sensor connected
properly?
Replace the sensor (ADF scan
width 3).
Go to “Sensor (ADF scan width
3) removal” on page 4-258.
Replace the connection.
7
Place an undamaged document
in the ADF, and perform an ADF
test.
Does the error remain?
Replace the ADF controller card
assembly.
Go to “ADF controller PCBA
removal” on page 4-203.
Go to step 8.
Step Action and questions Yes No
1 Check the software version for
the scanner controller card
assembly.
Is the version of the software
of the scanner controller card
assembly correct?
Go to step 2. Upgrade the software of the
scanner controller card assembly.
2
Perform a POR.
Does the error remain when the
power is turned off/on?
Replace the scanner controller
card assembly.
Go to “Scanner controller
PCBA removal” on page 4-238.
Problem solved.
Step Action and questions Yes No