I am trying to get my c650 to duplex print on pre-drilled, 3-hole punch paper. (We do not have the 3-hole punch add-on to the finisher.) It keeps flipping the pages the wrong way. It prints single-sided with the holes on the correct side, but double sided it flips the image the other way and the holes end up on the wrong side. I've tried selecting the binding edge and changing several other settings with no avail.
Also, if it's an uneven number of pages, the last page (which would be single-sided) prints opposite of the other pages. If they all printed on one side or the other, I could just turn the paper in the tray, but they don't.
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