918-Hvps Connection Service Check - Lexmark C510 Service Manual

5021-0XX
918—HVPS connection service check
Step Questions / actions
1 Turn printer off and remove
engine controller board
shield. See
controller board removal"
on page 4-55
remove shield. Is cable
properly connected to
engine controller board
HVCN connector?
2 Turn printer off and remove
items to expose HVPS.
See "High voltage power
supply (HVPS) removal"
on page 4-59
Check for continuity and
pin shorts of cable that
connects engine controller
board HVCN and HVPS
CN1. Is cable okay?
2-58
Service Manual
"Engine
for steps to
for steps.
Yes
Go to step 2.
Replace HVPS.
See "High
voltage power
supply (HVPS)
removal" on
page 4-59.
Retest printer. If
error clears,
problem solved,
otherwise turn
printer off and
replace engine
controller board.
See "Engine
controller
board removal"
on page 4-55.
No
Properly connect
cable. Retest
printer. If error
clears, problem
solved,
otherwise go to
step 2.
Replace cable.
Retest printer. If
error clears,
problem solved,
otherwise turn
printer off and
replace engine
controller board.
See "Engine
controller
board removal"
on page 4-55.