On 4/11/11 10:30 PM, Brian Ferguson wrote: > However, it appears that her iBook uses its Airport link to my iMac and then to the printer. I assume that if I turn off the iMac she cannot print. > I wouldn't swear to this, since I am no networking expert, but I think that if the iBook, iMac, and printer are all on one network, it wouldn't matter if the iMac were off -- but the Airport has to be on, of course. Try an experiment and see. Regards, Jon Johanning