Lexmark T420 Service Manual page 174

4048–00x
Function
Name on Card
Name
LVPS J15–LVPS
control
Paper feed J16–FD
solenoid
2nd drawer J17–TRAY2
interface
Fuser exit J19–P EXIT
tray full
sensor
LVPS DC J20–POWER
power
Thermistor, J21–THERM
Smart IC
HVPS J22–HVPS
Sensor: J23–Paper–IN
paper Duplex
input,
narrow,
duplex
5-10
Service Manual
# of Pins
5 5
2 1–2
6 5
6
6 1
3
4
6
6 1, 2
3, 4
5
6
5 2, 5
11 1
2
5
7
9 1, 4, 7
3, 6, 9
Pin # Signal
Gnd.
+24 V during
tray 1 pick
Gnd.
+24 V
+5 V
Gnd.
+5 V
Gnd.
+24 V
Gnd.
+5 V
Gnd.
Gnd.
+24 V–fan
Gnd.–fan
Gnd.
+24 V
+5 V
Gnd.