Lexmark X940e Service Manual page 247

Step
3
Check the rear lower cooling fan cables and any associated
cables for damage.
Are the above components free from crimps and damage?
4
Check the fuser cooling fan cables and any associated
cables for damage.
Are the above components free from crimps and damage?
5 Check the transfer belt drive motor cooling fan cables and
any associated cables for damage.
Are the above components free from crimps and damage?
6 Check the 24V LVPS cooling fan cables and any associated
cables for damage.
Are the above components free from crimps and damage?
7
Check the printhead assembly cables and any associated
cables for damage.
Are the above components free from crimps and damage?
8
Perform a POR.
Does the error occur when the power is turned off/on?
Check Yes
Go to step 4. Repair or replace
the appropriate
cable assemblies
or replace the rear
lower cooling fan
assembly.
Go to
cooling fan
assembly
removal" on
page
Go to step 5. Repair or replace
the appropriate
cable assemblies
or replace the
fuser cooling fan.
Go to
cooling fan
removal" on
page
Go to step 6 Repair or replace
the appropriate
cable assemblies
or replace the
transfer belt drive
motor cooling fan.
Go to
belt drive motor
cooling fan
removal" on
page
Go to step 7. Repair or replace
the appropriate
cable assemblies
or replace the 24V
LVPS cooling fan.
Go to
cooling fan
removal" on
page
Go to step 8. Repair or replace
the appropriate
cable assemblies
or replace the
printhead
assembly.
Go to
assembly
removal" on
page
Replace the upper Problem solved.
printer engine card
assembly.
Go to "Upper
printer engine
card assembly
removal" on
page 4-77.
Diagnostic information
7510
No
"Rear lower
4-89.
"Fuser
4-92.
"Transfer
4-81.
"24V LVPS
4-88.
"Printhead
4-95.
2-133