Lexmark X862de - Scanner Carriage over Run Failure; ADF RAM Test Failure; ADF EEPROM Failure

Diagnostic information 2-131
7500-432, -632, and -832
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843.01 Scanner carriage over run failure
843.10 ADF RAM test failure
843.11 ADF EEPROM failure
Step Check Yes No
1 Check the connections 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 card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-151.
Problem solved.
Step Check Yes No
1 Check the connection between the ADF controller card
assembly and the scanner controller card assembly
Are the ADF controller card assembly and the scanner
controller card assembly connected properly?
Replace the ADF
controller card
assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-175.
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 card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-151.
Go to step 3.
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.