So, I frequently find myself in the position of running the same job multiple times – not when things have gone wrong, but either when I need to do more than three passes on an engrave, or when I’m engraving multiple identical objects. I put one in at a time into a jig, run a job, swap it out for the next blank.
Obviously it’s not a huge inconvenience to go back to the app and tell it to print again, but the scanning process does take a minute or so, and since pushing the button without a job loaded currently does nothing, it’s an open opportunity. If you’re concerned about accidental activation, it could be a double-tap to activate. Or tap to load, run the normal process and then tap to run.
I may be on the fringe with this use case, but I think anyone doing a production run could find it useful.