Lexmark X95 series - Scanner Carriage over Run Failure; ADF RAM Test Failure

2-246 Service Manual
7558-xxx
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843.05 Scanner carriage over run failure
843.10 ADF RAM test failure
3
Check the sensor (FB scanner
HP) for connection.
Is the above sensor connected
properly?
Replace the sensor (FB scanner
HP).
Go to “Sensor (FB scanner HP)
removal” on page 4-265.
Replace the connection.
4
Check the scanner carriage
motor for connection.
Is the above motor connected
properly?
Replace the scanner carriage
motor.
Go to “Scanner carriage motor
removal” on page 4-236.
Replace the connection.
5
Place media on the large platen
and perform a scanner test.
Does the error remain?
Replace the scanner controller
PCBA.
Go to “Scanner controller
PCBA removal” on page 4-238.
Problem resolved
Step Action and questions Yes No
1 Check the connections of the
scanner controller PCBA.
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 resolved
Step Action and questions Yes No
1 Check the connection between
the ADF controller PCBA and the
scanner controller PCBA.
Are the ADF controller card
assembly and the scanner
controller card assembly
connected properly?
Replace the ADF controller
PCBA.
Go to “ADF controller PCBA
removal” on page 4-203.
Connect the ADF controller card
assembly and 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.
Go to step 3.
Step Action and questions Yes No