Mathew123 Does the pizzeria have Internet? If so, and the printer is capable of being printed to via cloud print, many manufacturers now have this option, then you should be able to send the email to that printer from anywhere in the world!
Another option is to utilize the Kitchen Display extension to process the orders via a touch screen in the pizzaria. No printing required, just a touch enabled device (if no internet then use a phone or LTE capable tablet) and the processing via the Kitchen Display will automagically send email to whomever you need it to.