I am trying to scan a subnet and send a message out to the lcd displays on all of the HP LCD printers, such as merry xmas. Of course the irongeek has developed some code, but I also found this link
http://www.matt-barrett.com/2009/09/network-printer-hack/
Something in the code does not work, of which I do not know. I have tested it on two different computers with no success.
Any ideas or help?
Thanks,
spornaox