![background image](https://i.inkjetdoc.com/HP Deskjet 6840 Printer series/en/HP Deskjet 6840 Printer series_en020.png)
Wireless security
Devices on a wireless network must share the same security settings.
For a description of the wireless security options available for the printer, see the
wireless security page
.
Wireless security
Devices on a wireless network must share the same security settings.
For a description of the wireless security options available for the printer, see the
wireless security page
.