Lexmark X862de - Scanner Unit Assembly Communication Failure

Diagnostic information 2-129
7500-432, -632, and -832
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842.12 Scanner unit assembly communication failure
3 Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
ADF controller
card assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-175.
Problem solved.
4 Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
scanner
controller card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-151.
Problem solved.
Step Check 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 card assembly.
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
card assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-175.
Problem solved.
4 Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
scanner
controller card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-151.
Problem solved.
Step Check Yes No