Diagnostic information 2-119
7510
843.20 Scanner unit assembly connection error
843.21 Scanner unit assembly EEPROM error
843.22 Scanner unit assembly EEPROM sub system error
Step Check Yes No
1 Check the connection of each ADF controller card assembly
connector.
Is each connector of ADF controller card assembly connected
properly?
Go to step 2. Connect each
connector of ADF
controller card
assembly
properly.
2
Check the connection of each RIP card assembly connector.
Are the connectors of the RIP card assembly connected
properly?
Go to step 3. Connect each
connector of the
RIP card
assembly
properly.
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 4-145.
Problem solved.
Step Check Yes No
1 Check the connections of the scanner controller card
assembly connector.
Is each connector of 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
ADF controller
card assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-145.
Problem solved.
Step Check Yes No
1 Check the connection of each scanner controller card
assembly connector.
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.