Manual Sensor Tests; Table 2-10 Manual Sensor Tests - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Manual sensor tests

Performs tests to determine whether the paper-path sensors are operating correctly.
1.
From the Home screen on the product control panel, scroll to and touch the
2.
Open the following menus:
Troubleshooting
●
Diagnostic Tests
●
Manual Sensor Test
●
Table 2-10 Manual sensor tests
Sensor or switch
name
Cartridge-door switch
Left door switch
Right door sensor
Cartridge install sensor
TOP sensor
Loop sensor
Fuser output sensor
Duplex refeed sensor
140 Chapter 2 Solve problems
Sensor Replacement part
number number
SW3 WC2-5637-000CN
SW1 RM1-3474-000CN
SR8 WG8-5935-000CN
SR1 WG8-5935-000CN
SR9 RM2-7538-000CN
(110V)
RM2-7539-000CN
(220V)
SR6 RM2-7538-000CN
(110V)
RM2-7539-000CN
(220V)
SR12 CF235-67921 (110V)
CF235-67922 (220)
SR2 CF235-67913
Replacement part Paper-path sensor
description test name
Toner cartridge door SW3 Cartridge Door
switch
Left door open switch SW1 Left Door
Right door open SR8 Right door
sensor
Toner cartridge SR1 Cartridge install
installed sensor sensor
High voltage power Sr9 Top Sensor
supply
High voltage power SR6 Fuser loop 1
supply sensor
Fuser SR12 Fuser output
sensor
Duplexer SR2 Duplexer refeed
Administration button.
Testing of sensor
Open the cartridge
door.
Open the left door.
Open the right door.
Open the cartridge
door, and then remove
the toner cartridge.
Open the cartridge
door, remove the toner
cartridge, raise the
registration shutter,
and then use a small
flat-blade screwdriver
to activate the sensor.
Open the cartridge
door, remove the toner
cartridge, and then
press the sensor lever.
Open the left door,
pull down the fuser
shutter, and then use a
screwdriver to activate
the sensor.
Remove the duplexer,
insert a sheet of paper
so that it covers the
refeed sensor, and
then reinstall the
duplexer.
ENWW