[matheusmoreira]

> it was next to impossible to cancel a print job on Windows

It's still impossible. The only reliable method I've found consists of turning the printer off and then deleting the print job in the queue. Only way to get Windows to actually delete it. Doesn't work unless the printer is sitting right next to me, of course. I have no idea why this is so hard.

[tazjin]

Some ~12 years ago, I was debugging POS integration with a receipt printer and accidentally sent garbage postscript to the receipt printer, which printed it out verbatim.

Stopping it was impossible. Power cycling that printer had absolutely no effect. It wrote the unfinished print job to some kind of persistent memory, and by god it was going to finish it.

It went through something like 2 1/2 rolls of receipt paper (yes it dutifully awaited the new rolls and then just continued) and due to the thermal printing process it smelled very odd, and I had quite a few metres of raw Postscript afterwards to decorate a wall with.

[askvictor]

And sometimes windows won't delete it from the print queue as it can't talk to the printer. Fun times.