2-136 Service Manual
7510
902.04 General lower engine error fuse #2
902.05 General lower engine error fuse #3
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 drive 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 drive
motor assembly.
Go to “Transfer
belt drive motor
assembly
removal” on
page 4-82.
3
Check the laser diode power card 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 laser diode
power card
assembly.
Go to “Laser
diode power card
assembly
removal” on
page 4-83.
4
Replace the transfer belt unit assembly. Go to “Transfer
belt unit assembly removal” on page 4-16.
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 4-80.
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.