A:AnswerI have not had to replace the cartridges yet. One of the reasons that I bought the TR8620a is because it uses the same cartridges that the Cannon printer that i replaced used. Sorry I was not much help.
A:AnswerGreat question! I have the exact same printer you have and cannot use it with my new MacBook Air due to the lack of current support. I love that printer. I purchased this one in a jam while out of town and in need of a print from phone wireless option. I doubt you’re gonna get an answer from anyone official. Who’s buy the printer knowing there’s a limited life of support attached to it? Again, great question.
A:AnswerYes, as long as your request from the computer or phone states to print on 2 sides. I did not have to do anything with the printer. Automatically, printed on both sides.
A:AnswerYes I believe you can order new cartridges. And I hope the pads don't give out (or at least not soon) I too had an Epson WF that was Great until it dried up on me. All trouble shooting options failed, so it's going in the garbage.