iPhone prints but iPad can't with AirPrint

I have bought an HP Photosmart Plus B 210a. Both iPhone 4 and iPad are running iOS 4.3 software. The iPhone has no problem with AirPrint and documents come are printed immediately. The iPad recognizes the printer and I can select it when attempting to print, but it doesn't print.How to fix the AirPrint issusOn the iPad's Home Screen, tap Settings > General > Reset > Reset Network Settings and