Scanner Carriage Over Run Failure; Adf Ram Test Failure - Lexmark X95x series Service Manual

7558-xxx
Step Action and questions
Check the sensor (FB scanner
3
HP) for connection.
Is the above sensor connected
properly?
Check the scanner carriage
4
motor for connection.
Is the above motor connected
properly?
Place media on the large platen
5
and perform a scanner test.
Does the error remain?

843.01 Scanner carriage over run failure

Step Action and questions
Check the connections of the
1
scanner controller PCBA.
Are the connectors of the
scanner controller card
assembly connected properly?
Perform a POR.
2
Does the error remain when the
power is turned off/on?

843.10 ADF RAM test failure

Step Action and questions
Check the connection between
1
the ADF controller PCBA and the
scanner controller PCBA.
Are the ADF controller card
assembly and the scanner
controller card assembly
connected properly?
Perform a POR.
2
Does the error remain when the
power is turned off/on?
Service Manual
2-244
Yes
Replace the sensor (FB scanner
HP).
Go to
"Sensor (FB scanner HP)
removal" on page 4-262.
Replace the scanner carriage
motor.
Go to
"Scanner carriage motor
removal" on page 4-233.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-235.
Yes
Go to step 2.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-235.
Yes
Replace the ADF controller
PCBA.
Go to
"ADF controller PCBA
removal" on page 4-200.
Replace the scanner controller
PCBA.
Go to
"Scanner controller
PCBA removal" on page 4-235.
No
Replace the connection.
Replace the connection.
Problem resolved
No
Connect each connector of the
scanner controller card assembly
properly.
Problem resolved
No
Connect the ADF controller card
assembly and the scanner
controller card assembly properly.
Go to step 3.
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