Figure 2-17 Tray 3 Paper Size Switches - HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung

Tray 3 paper size switches (SW5, SW7)
1.
Remove Tray 2 and Tray 3, and then push the switches at the back of the tray cavity.
Figure 2-17
2. Check the control-panel display for sensor response.
3. If there is no response, replace the lifter drive assembly.
ENWW
Tray 3 paper size switches
Tools for troubleshooting
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