A:AnswerThe bypass tray will only accept one envelope at a time. You can set the main try to hold envelopes, but I have not tried that, or tested to see if it feeds them properly.
A:AnswerYes, it feeds all pages through and creates a single .pdf file, crisp and beautiful images. The only issue I have ran across is creating files too large to send via email.
A:AnswerWhile I haven't tried using phot paper yet, here is what the Canon website says about this type issue: https://support.usa.canon.com/kb/index?page=content&id=ART175886&actp=search&viewlocale=en_US&searchid=1583587986235
It outlines steps to resolve jamming of some media types. Hope this helps.