HP Deskjet 6840 Color Inkjet Printer - Manual (Page 19)

In infrastructure mode, the printer automatically detects whether the wireless
network uses 802.11b or 802.11g.
Ad hoc mode
When the printer is set to the ad hoc communication mode, the printer
communicates directly with other wireless devices on the network without the use
of a WAP .
The ad hoc communication mode defaults to 802.11b. Follow these steps to use
802.11g in ad hoc mode:
1. Open the printer's embedded Web server (EWS) .
2. Click the Networking tab.
3. Under Connection, click Wireless (802.11).
4. Click the Advanced tab.
5. Under Compatibility, clear the In an ad hoc network use 802.11b behavior
check box.
6. Click Apply, and then close the EWS.
Wireless network settings
Devices (such as computers and printers) on a wireless network must share the
following settings:
Network name (SSID)
A network name, or Service Set Identifier (SSID), identifies a particular wireless
network. In order to operate on a network, a device must know the network's network
name.
HP Deskjet 6800 series printer
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