Toner empty sensor (sender-tpd) service check, 916—toner empty sensor (sender-tpd) service check, 916—toner empty sensor (sender-tpd) – Lexmark 5021-0XX User Manual
Page 134

2-56
Service Manual
5021-0XX
916—Toner empty sensor (sender-TPD) service check
Step
Questions / actions
Yes
No
1
Turn printer off and remove
I/O board shield. See
for steps to
remove I/O board shield. Is
cable properly connected
to I/O board connector
DCN15?
Go to step 2.
Properly connect
cable. Retest
printer. If error
clears, problem
solved,
otherwise go to
step 2.
2
Turn printer off and replace
I/O board. See
.
Retest printer. Does error
clear?
Problem solved.
Go to step 3.
3
Check cable that connects
engine controller board
connector I1CN to I/O
board connector DCN1 for
continuity and pin shorts. Is
cable okay?
Go to step 4.
Replace cable.
Retest printer. If
error clears,
problem solved,
otherwise go to
step 4.
4
Turn printer off and replace
engine controller board.
See
. Retest printer.
Does error clear?
Problem solved.
Go to step 5.
5
Turn printer off and replace
toner empty sensor
(sender-TPD). See
sensor (sender) removal”
on page 4-35
for steps.
Retest printer. Does error
clear?
Problem solved.
Call Lexmark
support.