The sheet feeder will handle multiple pieces of photo paper and, yes, you can print additional pictures with the additional sheets. I'm not sure exactly why putting several sheets in the feeder made it work for me where a single sheet just wouldn't f...
I have been frustrated by the same problem. Someone's comment that a 5 by 7 sheet was to light to feed properly gave me the clue. I replaced the single sheet of 5x7 which I had inserted with 4 or 5 sheets. Problem solved.