I don't understand how you think you need another RJ45 port for a USB
printer?
Anyways, here are your options:
1) Shared printer.
Plug the USB printer into PC1 USB port, set it up, and share it.
PC2 prints via the share on PC1. ( Set up a Network Printer. )
This requires that PC1 is always-on in order for PC2 to print.
2) USB Print Server.
Buy a USB print server, eg:
http://www.dlink.com/products/?sec=0&pid=165
Plug this into the router, along with the 2 PCs.
Configure the PCs to print to the PrintServer.
This has the advantage of each PC being independent.
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Best Regards,
Ron Lowe
MS-MVP Windows Networking
Thank You Ron for your suggestions. I am following option #1 because my computers are always on anyway. I am going through the setup network wizard and I get to the screen for file and pinter sharing and choose "Turn On". I get a warning that this will allow my files and printer to be exposed to the internet. Continue?