MF4890dw has stopped printing wirelessly after initial set up? windows 7 on computers and iphone 4s
I set up my new MF489dw on my pc w/ Windows7 wirelessly. I set up my iphone 4s w/ Cannon M Print. Set up laptop w/ Windows 7. All worked fine (I did not return to the other two after printing from the additional ones? But now NONE of them work? ...