Scanner Unit Assembly Eeprom Sub System Error; Scanner Cooling Fan Error - Lexmark X940e Service Manual

7510-XXX
Step
2 Perform a POR.
Does the error remain when the power is turned off/on?

843.22 Scanner unit assembly EEPROM sub system error

Step
1 Check the connection of each scanner controller card
assembly connector.
Are the connectors of the scanner controller card
assembly connected properly?
2 Perform a POR.
Does the error remain when the power is turned off/on?

843.23 Scanner cooling fan error

Step
1 Check the scanner cooling fan operation.
Perform the scanner cooling fan test.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch Scanner cooling fan.
Does the scanner cooling fan speed increase when the test is
performed?
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MFP Service Manual
Check
Check
Check
Caution: When performing motor tests, ensure
that all cover and door interlock switches are
overridden.
Yes
Replace the Problem solved.
ADF controller
card assembly.
Go to "ADF
controller card
assembly
removal" on
page 4-135.
Yes
Go to step 2. Connect each
connector of
the scanner
controller card
assembly
properly.
Replace the Problem
scanner solved.
controller card
assembly.
Go to
"Scanner
controller card
assembly
removal" on
page 4-120.
Yes
Go to step 2. Replace the
scanner
controller card
assembly.
"Scanner
Go to
controller card
assembly
removal" on
page 4-120.
No
No
No