HP 6840 HP Deskjet 6800 Printer series - (Windows/Macintosh) Network Guide - Page 36

connection to the printer. If the computer is only running the Windows XP

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English If the printer still does not print, try the following solutions: • Network authentication protocol is not supported by the printer If you changed the network authentication protocols on your wireless network after connecting the printer to the network, you might have selected a protocol that is not supported by the printer. The printer can support WEP authentication, WPA-AES, and WPA-TKIP. The network to which the printer is connected must use one of these authentication protocols or no authentication at all. • Software firewall is blocking access to the printer If your network uses DHCP or AutoIP to assign IP addresses to network devices, then a software firewall installed on your computer might block access to the printer after the printer is connected to the network and the printer software is installed on the computer. Note: The software firewall included with Windows XP does not interfere with the connection to the printer. If the computer is only running the Windows XP software firewall, then you do not need to disable the firewall during software installation or assign the printer a static IP address. To fix this problem, follow the steps under "Configuring the printer for a software firewall" on page 52. 34

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34
English
If the printer still does not print, try the following solutions:
•
Network authentication protocol is not supported by the printer
If you changed the network authentication protocols on your wireless network
after connecting the printer to the network, you might have selected a protocol
that is not supported by the printer.
The printer can support WEP authentication, WPA-AES, and WPA-TKIP. The
network to which the printer is connected must use one of these authentication
protocols or no authentication at all.
•
Software firewall is blocking access to the printer
If your network uses DHCP or AutoIP to assign IP addresses to network devices,
then a software firewall installed on your computer might block access to the
printer after the printer is connected to the network and the printer software is
installed on the computer.
Note
: The software firewall included with Windows XP does not interfere with the
connection to the printer. If the computer is only running the Windows XP
software firewall, then you do not need to disable the firewall during software
installation or assign the printer a static IP address.
To fix this problem, follow the steps under “Configuring the printer for a software
firewall” on page 52.