Need info on server printers

Pradeep Is

hi, i am planning to buy a wifi router for about 4 systems. i dont have wifi in my printer. how do i make it wifi. if i buy a netwrok lan adaptor and connect it with wifi router will printer work as wifi???????????? i have also seen the wifi network servers which starts from 3500/- is it advisable or shall i go for wifi router and lan adaptor to use my printer as wifi. plz help. plz mail me at