|You should be able to download the printer software from the support pages of www.epson.com.|
Accessing your printer wirelessly is relatively simple if your home PC is already connected to your network wired or wireless. If so you right click on the printer icon on your desktop PC and click "Share" (you may need to enable file and printer sharing if it isn't already) then give the printer a name i.e. "RX50".
Then from your laptop start the add printer wizard, select network printer option then point it to your shared printer i.e. \\pcname\rx50 finish the wizard then you are done. As long as both your desktop PC and printer are turned on and connected to the network, your laptop will be able to print wirelessly.
This method will also allow both the desktop PC and the laptop to print at the same time. All the jobs will just queue up on the print server (your desktop PC) and print in the order they were received regardless of what computer they were sent from.
Hope this helps.
IT Services Manager