Hi,WELCOME TO JUST ANSWER!! My name isXXXXX will assist you to solve or identify your problem. Some application software does not support AirPrint,Printer Options may not be displayed. If an application software does not let you use printer options, you cannot print from that application software. You can open the link below and read the step by step instructions to print from your device and reply me back with the result.
The printer model in this link is 5420, but that same model in Europe/UK is 5450