Scanner Unit Assembly Eeprom Sub System Failure; Image Processing Failure; Scanner Controller Card Assembly Failure 1 - Lexmark X95x Series Service Manual

843.22 Scanner unit assembly EEPROM sub system failure

Step Action and questions
Check the connection of each
1
scanner controller card assembly
connector.
Are the connectors of the
scanner controller card
assembly connected properly?
Perform a POR.
2
Does the error remain when the
power is turned off/on?

843.24 Image processing failure

Step Action and questions
Check the connections of the
1
scanner controller card assembly.
Are the connectors of the
scanner controller card
assembly connected properly?
Check the software version for
2
the scanner controller card
assembly.
Is the version of the software
of the scanner controller card
assembly correct?
Perform a POR.
3
Does the error remain when the
power is turned off/on?

843.25 Scanner controller card assembly failure 1

Step Action and questions
Check the connection of each
1
scanner controller card assembly
connector.
Is each connector of scanner
controller card assembly
connected properly?
Perform a POR.
2
Does the error remain when the
power is turned off/on?
Yes
Go to step 2.
Replace the scanner controller
card assembly.
Go to
"Scanner controller
PCBA removal" on page 4-241.
Yes
Go to step 2.
Go to step 3.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-241.
Yes
Go to step 2.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-241.
7558-xxx
No
Connect each connector of the
scanner controller card assembly
properly.
Problem resolved
No
Connect each connector of the
scanner controller card assembly
properly.
Upgrade the software of the
scanner controller card assembly.
Problem resolved
No
Connect each connector of the
scanner controller card assembly
properly.
Problem resolved
Diagnostic information
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