Using AirPrint in UIWebView ane http://darkredz.com/ios-uiwebview-and-videoplayer-native-extension-for-air-mobile/

AirPrint UIWebView ane

public function init():void{
    nativeWeb = new UIWebView();
    nativeWeb.stage = stage;
    nativeWeb.viewPort = new Rectangle(0,0,1024,748);
    nativeWeb.loadURL('http://darkredz.com')

    button.addEventListener(MouseEvent.CLICK, onClick)
    nativeWeb.addEventListener(PrintJobEvent.COMPLETE, onDone)
    nativeWeb.addEventListener(PrintJobErrorEvent.ERROR, onError)
}

private function onClick(e:MouseEvent):void{
    //Simple Print
    nativeWeb.printPage()
    //print options with location of modal UI, header and footer text
    //nativeWeb.printPage(PrintInfo.GENERAL,new Point(100,400), 'My Web Page', 'My footer',true)
}


private function onDone(event:PrintJobEvent):void {
    trace('Done ' + event.url)
}

private function onError(event:PrintJobErrorEvent):void {
    trace(event.toString())
}