Diagnostic information 2-243
7558-xxx
842.04 Scanner communication failure
2
Check all connections of the
scanner controller PCBA.
Are the connections of the
scanner controller card
assembly connected properly?
Go to step 3. Connect each connector of the
scanner controller card assembly
properly.
3
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.
Go to step 4.
Problem resolved
4
Perform a POR.
Does the error remain when the
power is turned off/on again?
Replace the RIP card assembly.
Go to “RIP PCBA removal” on
page 4-150.
Problem resolved
Step Action and questions Yes No
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?
Go to step 2. Replace the connection.
2
Check all connections of the
scanner controller PCBA.
Are the connections of the
scanner controller card
assembly connected properly?
Go to step 3. Connect each connector of the
scanner controller card assembly
properly.
3
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.
Go to step 4.
Problem resolved
4
Perform a POR.
Does the error remain when the
power is turned off/on again?
Replace the RIP PCBA.
Go to “RIP PCBA removal” on
page 4-150.
Problem resolved
Step Action and questions Yes No