2-136 Service Manual
7510
902.01 General upper engine error fuse #2
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 4-104.
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 4-88.
Problem solved.
Step Check Yes No
1 Perform a POR.
Does the error occur when the power is turned off/on?
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
2
Check the erase lamp cable assemblies and any other
associated cables for damage.
Are the above components free from crimps and damage?
Go to step 3. Repair or replace
the appropriate
cable assemblies.
3
Check the image density sensor assembly cables for
damage.
Are the above components free from crimps and damage?
Go to step 4. Repair or replace
the appropriate
cable assemblies
or the image
density sensor
assembly.
Go to “Image
density sensor
assembly
removal” on
page 4-55.
4
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 4-88.
Problem solved.
Step Check Yes No