Lexmark 5021-0XX - Manual (Page 133)

Diagnostic information 2-55
5021-0XX
5 Disconnect cable from
erase lamp and DCN15.
Check DCN15 pin 11 to
erase lamp cable
connector pin 1 and
DCN15 pin 12 to erase
lamp cable connector pin 3
for continuity. Check for
shorted pins on both sides
of cable. Is cable okay? Replace I/O
board. See
“I/O
board removal”
on page 4-70
.
Go to step 6.
Replace cable.
Retest printer. If
error clears,
problem solved,
otherwise go to
step 6.
6 Retest printer. Does error
clear? Problem solved. Replace engine
controller board.
See
“Engine
controller
board removal”
on page 4-55
.
Step Questions / actions Yes No