Excerpt: I bought the GUB231 in January, and have since struggled to get it seeing our HP LaserJet from both machines: our Windows 7 machine and our Mac OS X el Capitan machine. Today I got a wonderful tech at ioGear on the phone (Marco), who got the "automatic" feature working on the Win 7 PC, but couldn't...
Excerpt: Using this hub to share a printer between 2 computers (pc laptop and iMac ) I haven't loaded the software yet for the automatic switch feature. We are just using it manually. It works great. I was looking for a cheap switch from a discount store and bought his from B&H and so glad I did.
get Windows 7 driver from iogear before you install
J. DiStephan, Amazon
14 November 2014
Summary: Working well. You need to open the Installation Guide and follow the instructions so you understand how to get the switch working automatically. Using this for an HP all in one printer shared by a Mac with Lion and a Windows 7 PC.