Figure 2-19 Tray 2 Paper Surface Sensor - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Tray 2 paper surface sensor (SR10)
1.
Remove Tray 2 and Tray 3, and then push the sensor at the back of the tray cavity.
Figure 2-19
2. Check the control-panel display for sensor response.
3.
If there is no response, replace the lifter drive assembly.
ENWW
Tray 2 paper surface sensor
Tools for troubleshooting
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