ghostprint
To use Bonjour printer or another wireless program to print a document into a room that you are not in but may be occupied by other people, making it seem like a ghost is printing from their printer.
"Dr. Franklin freaked out when the printer came on during her lecture."
"It was probably Alex ghostprinting his rough draft for her class next block."
"It was probably Alex ghostprinting his rough draft for her class next block."