Iogear 4-Port USB 2.0 Automatic Printer Switch, GUB431

IOGEAR's USB 2.0 Automatic Printer Switch allows four PCs and / or Macs to share one printer or multi-function printer.Simply submit a print job and the printer automatically* switches to the preferred computer.The switch also enables four computers to easily share one external hard drive, scanner, or any USB device.No more plugging and unplugging between computers.* Automatic switch function is software based and only available with USB printer or the printer function of a multi-function printer.For connecting and using other types of USB devices, you can switch by using the push-button on the USB switch or with the included software