HP LASERJET ENTERPRISE M725dn Troubleshooting Manual page 186

Table 2-11
Sensor or switch
name
Tray 4 paper-
presence sensor
Tray 4 paper surface
sensor
Tray 4 paper size
switches
Tray 4 feed sensor
Lower right door
switch
Output bin full sensor
154 Chapter 2 Solve problems
Tray/bin manual sensor test (continued)
Sensor Replacement
number part number
SR3 RM1-9415-000CN
SR2 RM1-3819-000CN
SW2, RM1-3819-000CN
SW3
SR1 RM1-9415-000CN
SW1 WC2-5512-000CN
SR4 CF066-67909
Replacement Paper-path
part description sensor test name
Tray 4 paper pick- SR3 Tray 4 paper
up assembly
Tray 4 lifter drive SR2 Tray 4 paper
assembly surface
Tray 4 lifter drive SW2, 3 Tray 4
assembly Paper Size
Tray 4 paper pick- SR1 Tray 4 feed
up assembly
Lower right door SW1 Lower right
switch door 1 sensor
Paper delivery SR4 Output Bin Full
assembly
Testing of sensor
Remove Tray 4, and
then push the sensor
lever.
Remove Tray 4, and
then push the sensor
at the back of the
tray cavity.
Remove Tray 4, and
then push the
switches at the back
of the tray cavity.
Open the lower right
door, and then
activate the feed
sensor with a small
flat-blade
screwdriver.
Open the lower right
door, and then
activate the door
switch with a small
flat-blade
screwdriver.
Lift the output bin
sensor levers.
ENWW