The IP address looks correct. I suggest trying again to install a network printer. Some possibly useful links are below:

http://lifehacker.com/5262706/setup-...p-to-windows-7

http://www.howtogeek.com/howto/windo...dows-7-and-xp/

http://www.google.com/search?hl=en&s...i=g10&aql=&oq=