Uhm, you know how Xerox got famous only a few years ago for messing up when scanning some characters? E.g. 9 and 6, or 8 and 0. Of course things should be good

Uhm, you know how Xerox got famous only a few years ago for messing up when scanning some characters? E.g. 9 and 6, or 8 and 0. Of course things should be good with that method. But they should also be good with some proper crypto.