Lexmark 5021-0XX - Manual (Page 150)

2-72 Service Manual
5021-0XX
995—High voltage power supply (HVPS) service check
Step
Questions /
actions
Yes No
1 Remove
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.
3 Replace
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.
4 Check 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.