Figure 2-21 Tray 3 Paper Sensor - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Tray 3 paper sensor (SR5)
1.
Remove Tray 2 and Tray 3, and then push the sensor lever on the right side of the cavity to
activate the sensor.
Figure 2-21
2.
Check the control-panel display for sensor response.
3.
If there is no response, replace the lower cassette pickup assembly.
ENWW
Tray 3 paper sensor
Tools for troubleshooting
159