Figure 2-32 Tray 4 Paper Surface Sensor - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Tray 4 paper surface sensor (PS3101 and PS3102)
1.
Remove Tray 4 from the HCI.
2.
In the tray cavity, in the upper right-hand corner, toggle the sensor lever.
Figure 2-32
3.
Check the control-panel display for sensor response.
4.
If there is no response, replace the paper pick-up assembly (right).
ENWW
Tray 4 paper surface sensor
Tools for troubleshooting
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