Can I use Wireless connection using WPS pin?

I am operating my business in my local area. During business meetings or deals, I need some print outs of important documents, so I am using HP printer for printing purposes. I am very comfortable in using HP printer for various printing tasks. Now, I want to set up Wi-Fi connection on my printer using WPS pin printer. Actually, I am new to this concept, so I don’t have ideas what is WPS pin code? This is very important concept for me before setting up Wi-Fi connection on my printing machine. So anyone can help me in suggesting the easy ways to set up Wi-Fi connection on my printer