hooked up through the network? According to the suggestion given here: http://answers.yahoo.com/question/index;_ylt=ApKvPe.1nCJmAi6er267kKLsy6IX;_ylv=3?qid=20100626231841AAIYmyS it seems like hooking the printer up to the network would be good. However, once I did that I was unable to find out how to scan from it. How can I do that?