A:AnswerIt does have a usb input in the back. (kind of the square looking port where the bottom corners are angled off) If you can use your lightning cable and gat an adapter I suppose it would work. I would try to figure out the wifi printing problem though. I use it all the time and it works great.
A:AnswerAs far as I know -- the answer is no. Just the one tray. On my previous Brother MFC (also a single tray), i was able to print legal size by feeding the paper to the single page at a time manual feed. That was okay for me as I rarely need to print on legal size paper.
A:AnswerHere's a list of the Brother fax machines.
https://www.brother-usa.com/home/printers-fax/fax-machines#sort=%40productlaunchdatetime%20descending