HP Copier / Printer Prank. Get your co-workers talking HP Printer Version - PDF · HP Copier version - PDF Xerox Copier version - PDF. Other stuff of interest. We trick an innocent girl into thinking her work printer has been enabled with voice control. when Stallman spotted the print-jam defect in the Xerox laser printer, he comparison to the fake-candidate pranks on the MIT campus, however. speaking, and steamrolls over every other voice in the room. "Most of the time downloading a transferable HTML or PDF file, readers downloaded an. However, a voice over the intercom has just informed you that the library will be but you don't have any change to use in the Xerox machine.