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2-72 Service Manual
5021-0XX
995High voltage power supply (HVPS) service check
Step
Questions /
actions
Yes No
1Remove
photodeveloper
cartridge and
ensure charging unit
on bottom of
photodeveloper
cartridge is not
damaged. Is
charging unit
damaged?
Replace
photodeveloper
cartridge. See
Photodevelop
er cartridge
removal on
page 4-11.
Note: Photo-
developer
cartridge is a
customer
ordered part.
Go to step 2.
2 Check charging unit
high voltage
contacts in printer.
Are they clean?
Go to step 3. Clean contacts.
If problem
persists, go to
step 3.
3Replace
photodeveloper
cartridge. See
Photodeveloper
cartridge removal
on page 4-11. Has
error cleared?
Note: Photo-
developer cartridge
is a customer
ordered part.
Problem solved. Go to step 4.
4Check cable for
continuity between
engine controller
board connector
HVCN and HVPS
CN1 connector and
for shorted pins. Is
cable okay?
Go to step 5. Replace cable.