Scanner Communication Failure - Lexmark X95x series Service Manual

7558-xxx
Step Action and questions
Perform a POR.
3
Does the error remain when the
power is turned off/on?
Perform a POR.
4
Does the error remain when the
power is turned off/on again?

842.02 Scanner communication failure

Step Action and questions
Check the scanner interface
1
cable assembly connection
between the RIP card assembly
and the scanner unit assembly.
Is the scanner interface cable
assembly connected properly?
Check all connections of the
2
scanner controller PCBA.
Are the connections of the
scanner controller card
assembly connected properly?
Perform a POR.
3
Does the error remain when the
power is turned off/on?
Perform a POR.
4
Does the error remain when the
power is turned off/on again?
842.03 Scanner communication failure
Step Action and questions
Check the scanner interface
1
cable assembly connection
between the RIP card assembly
and the scanner unit assembly.
Is the scanner interface cable
assembly connected properly?
Service Manual
2-240
Yes
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-235.
Go to step 4.
Replace the RIP PCBA.
Go to
"RIP PCBA removal" on
page 4-150.
Yes
Go to step 2.
Go to step 3.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-235.
Go to step 4.
Replace the RIP PCBA.
Go to
"RIP PCBA removal" on
page 4-150.
Yes
Go to step 2.
No
Problem resolved
Problem resolved
No
Replace the connection.
Connect each connector of the
scanner controller card assembly
properly.
Problem resolved
Problem resolved
No
Replace the connection.
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