Not the same Giovani...
But I do recall some DMP printers screamed like a banshee, and some just made a sort of tired moan. It doesn't say what sort of printer it was.
In my view the 5mm paper square in the optical head positioning sensor was enough to deter the IT staffers though. They never had a clue what was broken and far less destructive than coke...
Although the sales team I worked with seemed to have in infinite amount of powdered coffee to fill up the gaps between keyboard keys.