Toner Empty Sensor (Receiver-Ttr) Service Check - Lexmark X500n Service Manual

Toner empty sensor (receiver-TTR) service check

Step
1 Turn printer off, and remove engine
controller board shield. See
controller board removal" on page 4-34
for steps to remove engine controller board
shield. Is cable properly connected to
engine controller board connector MCN8?
2 Check the following for continuity between
engine controller board MCN8 cable and
toner empty sensor (receiver-TTR) cable.
See "Toner sensor (receiver) removal"
on page 4-42
sensor cable.
MCN8
pin 2
pin 4
pin 6
pin 8
pin 9
pin 10
Also check for shorted pins. Is cable okay?
3 Replace toner empty sensor (receiver-TTR).
See "Toner sensor (receiver) removal"
on page 4-42
Does error clear?
4 Replace engine controller board. See
"Engine controller board removal" on
page 4-34. POR printer. Does error clear?
Questions / actions
"Engine
for steps to gain access to
Toner empty sensor sender
pin 1
pin 2
pin 3
pin 4
pin 5
pin 6
for steps. Retest printer.
Yes
Go to step 2.
Go to step 3.
Problem solved.
Problem solved.
7100-XXX
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
go to step 3.
Go to step 4.
Contact higher level
support.
2-27
Diagnostic information