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Step
Action and questions
Perform a POR.
3
Does the error occur when the
power is turned off/on?
842.00 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?
842.01 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?
Yes
Go to step 2.
Yes
Go to step 2.
Go to step 3.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page
4-238.
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.
7558-xxx
No
Perform several print tests.
If the problem remains, then go to
step 2.
No
Replace the connection.
Connect each connector of the
scanner controller card assembly
properly.
Problem resolved
Problem resolved
No
Replace the connection.
Connect each connector of the
scanner controller card assembly
properly.
Diagnostic information
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