Rand, Thanks for your swift reply.
1 I assume you're using the top loading door / slot for the paper loading? It should have a nice "stop" when you open the door, and just set the paper in the feed slot. Are you saying that when you do this, the paper sits at a distinct angle away from vertical? If so, it would sound like something is badly aligned in the printer's sheet feed mechanism. This is one of the features of this printer that I appreciate most - the simple and straightforward sheet feed mechanism. Yours may just be "broken."
That is correct. About 3 times out of 10 the paper loads either leaning to the right, or, moves left about 2mm and skews. It appears to be better with a stiffer, heavier paper. It seems as though the roller might be eccentric. I will have to have a meaningful dialogue with Epson.
2 I've used Epson Print layout successfully from PS (Windows OS). But honestly I don't know why you'd prefer that to Lightroom's excellent Print Module which incorporates output sharpening, while Epson's Print Layout utility does not.
I use LrC Print Module, and Mirage, since the Epson Print Layout does not work I have no idea if it is advantageous or not. I am using the latest Win 10 Printer Driver Ver. 6.73. At this price I expect software to work even if I decide not to use it. I am grateful you confirm it is supposed to work with this printer!
3 No comment on this one. Once I have the printer / drivers settings as I like them for any given paper / size / feed / resolution, etc., I create a print template for it in Lightroom.
I have followed your advice and created templates for size, paper, quality for 2 different media and thus 2 different profiles. It seems to work, even after re-starting the computer. Now to do the rest of the templates, pity they can't be duplicated then edited. I thought I knew LrC pretty well; now I no more, thanks.
4 On the print preview, it will always show "leading edge down" the way it feeds though the printer. I think what you're seeing may be completely normal. Again, I'm a Windows person so YMMV.
My mistake! The view menu in Print Preview allows for flipping.
With thanks & kind regards
Allan