Lexmark X95 series - Scanner Unit Assembly - ADF Communication Failure; Scanner Communication Failure (by Scanner)

2-244 Service Manual
7558-xxx
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842.10 Scanner unit assembly - ADF communication failure
842.11 Scanner communication failure (by scanner)
Step Action and questions Yes No
1 Check all connections of the
scanner controller card assembly.
Are the connections of the
scanner controller card
assembly connected properly?
Go to step 2. Replace all connections.
2
Check all connections of the ADF
controller PCBA.
Are the connections of the ADF
controller card assembly
connected properly?
Go to step 3. Replace all connections.
3
Perform a POR.
Does the error remain when the
power is turned off/on?
Replace the ADF controller
PCBA.
Go to “ADF controller PCBA
removal” on page 4-203.
Problem resolved
4
Perform a POR.
Does the error remain when the
power is turned off/on?
Replace the scanner controller
PCBA.
Go to “Scanner controller
PCBA removal” on page 4-238.
Problem resolved
Step Action and questions Yes No
1 Check all connections of the
scanner controller card assembly.
Are the connections of the
scanner controller card
assembly connected properly?
Go to step 2. Replace all connections.
2
Check all connections of the ADF
controller PCBA.
Are the connections of the ADF
controller card assembly
connected properly?
Go to step 3. Replace all connections.
3
Perform a POR.
Does the error remain when the
power is turned off/on?
Replace the ADF controller
PCBA.
Go to “ADF controller PCBA
removal” on page 4-203.
Problem resolved
4
Perform a POR.
Does the error remain when the
power is turned off/on?
Replace the scanner controller
PCBA.
Go to “Scanner controller
PCBA removal” on page 4-238.
Problem resolved