2-140 Service Manual
7510
902.06 General lower engine error fuse #4
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 transfer belt steering motor assembly cables and
any associated cables for damage.
Are the above components free from crimps and damage?
Go to step 3. Repair or replace
the appropriate
cable assemblies
or replace the
transfer belt
steering motor
assembly.
Go to “Transfer
belt steering
motor removal”
on page 4-75.
3
Check the printhead shutter motor assembly 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
printhead shutter
motor assembly.
Go to “Printhead
shutter motor
assembly” on
page 4-78.
4
Check the 2nd transfer roll retract motor assembly 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 2nd
transfer roll retract
motor assembly.
Go to “2nd
transfer roll
retract motor
assembly
removal” on
page 4-45.
5
Check the developer/transfer roll HVPS card assembly
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
developer/transfer
roll HVPS card
assembly.
Go to “Developer
/ transfer roll
HVPS card
assembly
removal” on
page 4-112.
6
Perform a POR.
Does the error occur when the power is turned off/on?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine
card assembly
removal” on
page 4-91.
Problem solved.
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