Diagnostic information 2-251
7558-xxx
845.02 LED CCD initialization (lamp off) failure
846.00 Scanner communication failure
846.01 Scanner communication failure
Step Action and questions Yes No
1 Check the connection of the
scanner controller card assembly.
Are the connectors of the
scanner controller card
assembly connected properly?
Go to step 2. Connect each connector of the
scanner controller card assembly
properly.
2
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 solved.
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 card assembly.
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.
Problem solved.
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 card assembly.
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.