Lexmark 5021-0XX - Manual (Page 151)

Diagnostic information 2-73
5021-0XX
5 Replace HVPS. See
“High voltage
power supply
(HVPS) removal”
on page 4-59
. Has
error cleared?
Problem solved. Go to step 6.
6 Replace engine
controller board.
See
“Engine
controller board
removal” on
page 4-55
. Has
error cleared?
Problem solved. Replace I/O
board. See
“I/O
board removal”
on page 4-70
.
Step
Questions /
actions
Yes No