We have a stand alone network printer running TCP/IP that is connected to our network via CAT-5 to our switch. Our broadband internet bandwidth has been running at 25kbps but when we unplug the printer from the switch, our bandwidth increases to 1.2mbps (normal speed). The activity light on our switch also goes crazy when the printer is plugged in.
The printer is a Xerox Phaser 860.
Could this possibly be a virus that has infected the printer itself or some other problem (ie. printer is simply malfunctioning)?