iPrint Printer funktioniert nicht

It supports more than 22 printers brands including All Apple AirPrint printers, HP AirPrint, Brother AirPrint, Epson AirPrint, Canon AirPrint, Lenovo AirPrint, Toshiba AirPrint, Samsung AirPrint, Aurora AirPrint, Sharp AirPrint, Fuji Xerox AirPrint, Dell AirPrint and more...  No need to have file save on your phone, you can access any file on the cloud of your choice anytime, anywhere and print from anywhere there is a printer. or use the 3 days free trial to print your own documents and photos for free.  iPrint Printer for Airprint is one of the smartest printer app you can find in the app store.  You can also print your colors Photo in Black & White or Your Color Documents in Black & White by choosing that option.  Printing Orientation is also at your fingertips, you choose between print Photos or Documents in Landscape or Portrait.  Your Apple ID account will be charged when your free trial ends.  Cancel before the free trial ends and you won't be charged.  You can manage and cancel your subscriptions by going to your account settings on the App Store.  Subscription automatically renews unless it is canceled at least 24 hours before.