Sure. But the funny part is, even if that were true, the memo would still be a forgery which was attempted to be passed off as real. After all, a printout of an OCR-scanned memo would not have Killian's signature on the bottom of it! So whose signature is that? The one who attempted the fraud, by definition.
Thus the "scanned" theory, if true, means that fraud took place. The funny part is that the guy bringing it up doesn't seem to realize it. :-)
Here's what really happened to the originals :