I had two patrons in today who had NO idea how to use a copy machine. One said she'd never used one before, and the other one seemed to think that it was a magical device wherein you stick a whole section of a book into it, and get your copies pronto. Then she was mad when circ didn't have change for a fifty. She was making copies of divorce forms and was very stressed-out, so I tried to be as kind as I could. But, no matter what I told her, it made her supremely unhappy.
It's good to realize that what we take for granted--coin boxes, card vending machines, copy machines, etc--are things of mystery to many people.
But, then there's supercreepguy who always has us override the filter for him, and then claims he forgets how to use the print management software. My theory is that he just gets a kick out of calling us over so we can see his naughty work. Today, as I walked him through the process, I stood a good distance from him and gave rather loud directions so I wouldn't have to look at his crap. I know...I'm supposed to be detached and professional and nonjudgmental, but he sets my creep detector off bigtime.