I have two wireless printers in my house: Epson Artison 730 and HP LaserJet P1102w. I do not use any application (that I'm aware of), and my Epson shows up as a printer and works great (on the iPad and iPhone). Today I just installed my HP LaserJet, on my wireless network. It does not show up as a printer option on my iPad or iPhone. What am I doing wrong? I'm pretty sure it is compatible but may need to be set up somehow?