AirPrint

@IBOutlet weak var textView: UITextView!
@IBAction func print(sender: AnyObject) {
    
    let printInteraction = UIPrintInteractionController.sharedPrintController()
    
    let textFormatter = UISimpleTextPrintFormatter(text: self.textView.text)
    printInteraction.printFormatter = textFormatter
    printInteraction.presentAnimated(true) { (UIPrintInteractionController, Bool, NSError) -> Void in
        
    }
}