How to setup remote printer?

I have two Dell desktops running on Win 7. The first computer has a wireless modem and I would like to send documents to the second computer for printing. I have a HP laser printer connected via usb to the second computer, which has a wifi adapter. How do I do the setup? I have changed the printer property to "shared" but when I try to search for it from the first computer, it can't seem to see it. Thanks in advance.