Scanner Communication Failure - Lexmark X862de Service Manual

7500-432, -632, and -832
Step
3 Perform a POR.
Does the error remain when the power is turned off/on?
4 Perform a POR.
Does the error remain when the power is turned off/on again?

842.02 Scanner communication failure

Step
1 Check the scanner interface cable assembly connection
between the RIP card assembly and the scanner unit
assembly.
Is the scanner interface cable assembly connected properly?
2 Check all connections of the scanner controller card assembly.
Are the connections of the scanner controller card assembly
connected properly?
3 Perform a POR.
Does the error remain when the power is turned off/on?
4 Perform a POR.
Does the error remain when the power is turned off/on again?
2-126
MFP Service Manual
Check
Check
Yes No
Replace the Problem solved.
scanner
controller card
assembly.
Go to "Scanner
controller card
assembly
removal" on
page 4-151.
Go to step 4.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-130.
Yes No
Go to step 2. Replace the
connection.
Go to step 3. Connect each
connector of the
scanner
controller card
assembly
properly.
Replace the Problem solved.
scanner
controller card
assembly.
Go to "Scanner
controller card
assembly
removal" on
page 4-151.
Go to step 4.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-130.
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