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