Scanner Unit Assembly Software Logic Failure - Lexmark X95x Series Service Manual

7558-xxx
Step Action and questions
Check the sensor (ADF scan
4
width 2) for connection.
Is the above sensor connected
properly?
Check the sensor (ADF scan
5
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?
Check the sensor (ADF scan
6
width 3) for connection.
Is the above sensor connected
properly?
Place an undamaged document
7
in the ADF, and perform an ADF
test.
Does the error remain?

846.12 Scanner unit assembly software logic failure

Step Action and questions
Check the software version for
1
the scanner controller card
assembly.
Is the version of the software
of the scanner controller card
assembly correct?
Perform a POR.
2
Does the error remain when the
power is turned off/on?
Service Manual
2-260
Yes
Replace the sensor (ADF scan
width 2).
Go to
"Sensor (ADF scan width
2) removal" on page 4-257.
Go to step 7.
Replace the sensor (ADF scan
width 3).
Go to
"Sensor (ADF scan width
3) removal" on page 4-261.
Replace the ADF controller card
assembly.
Go to
"ADF controller PCBA
removal" on page 4-206.
Yes
Go to step 2.
Replace the scanner controller
card assembly.
Go to
"Scanner controller
PCBA removal" on page 4-241.
No
Replace the connection.
Go to step 6.
Replace the connection.
Go to step 8.
No
Upgrade the software of the
scanner controller card assembly.
Problem solved.
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