Sharing a printer in vista

I have been doing some searching online but have been unable to find anything pertaining to my issue. I have two laptops and one desktop. All three of them are running Vista Home Premium 32 bit. I have an HP 1410v All-In-One printer that I have connected to the desktop. I would like to be able to print to this printer from my two laptops without being required to walk into the other room and unplug the printer from the desktop and then plug it into the laptop. I have already double checked to make sure that all computers are on the same workgroup and I have gone to to the desktop where the printer is plugged in and made sure that "Share this printer" was selected. Still not able to print to it. Any thoughts would be great.

 

Review these 2 articles - May possibly be a "Password Protected Sharing" setting. (Look in second article for this item.)
http://windowshelp.microsoft.com/Windows/en-US/Help/e3faee7d-a7cd-40aa-b240-006dca11dc451033.mspx
http://technet.microsoft.com/en-us/library/bb727037.aspx