how can i connect my ipad 2 to an epson printer sx510w

I don't see this on the list of Epson AirPrint enabled printers (as of November), so you can't do it directly. You'll have to install a program on your computer and matching app on your iPad that will allow you to print through the computer to the printer. Printopia works for Macs, there are others that work for PC - check the App Store.

iepson app...will print web page or via dropbox and evernote and googledocs...

Will that print any document in Dropbox or Evernote?

Pete,

While I appreciate getting a "Correct Answer" for that post, I was just asking a question of Stevepad - I would like to know how well it works. 🙂