Ok - this is WEIRD! - right after I hit "post" on this reply, I tapped the touch screen. It beeped and I got the home light and the little arrow-back light, and I was able to swipe on the screen!! (This has not worked in days) So....what did I do? ...
I am having the same exact problem. I have had this printer for only 1 month now today. I don't get any lights to the left or right anymore either, except for the wifi logo light. When the panel goes dark, I can tap it and it will light up again, ...