Why waste your parallel port on your high speed printer With Cables To Go's USB to IEEE 1284 Printer Cable, you can use your USB port on your PC or hub and free up the parallel port for a Zip drive or scanner. Forget the hassles of IRQ sharing by adapting your high speed printer to USB. If you have multiple printers, you can eliminate the need for a switchbox by connecting each printer to a USB port. The device is fully transparent to the user, and is ideal for true bi directional communication.