The print switch provides a way to quickly change the default Printer or Fax driver. Print Switch for Windows works with most stand-alone fax software packages as well. The print switch provides a way to quickly change the default Printer or Fax driver. With Print Switch for Windows the shortest distance between printer or fax selection is one click. Print Switch for Windows will place a white printer icon in the lower right corner of the Windows desktop. The printer icon sits idle in the windows task bar until you click on it. A pop-up menu will appear with a check mark next to your current default printer or fax driver. To change printers or fax drivers, click on the desired printer or fax driver. Simple as 1-2-3 !