With Garsonista Printing Service you can print PDF documents, images, HTML and plain text on your thermal printers by pressing "Share" or "Send to" or "Open with" or something similar depending on the device and the application through which the "Sharing" takes place.

Supports bluetooth or network (Ethernet / WiFi) thermal printers with esc/pos commands.

You can also print anything by opening the application through the URL Scheme: garsonistaprinter://https://garsonista.datapp.gr/?ver=3&closeApp={0 or 1}&aprinter={printer_no}&isPDF={0 or 1}&isIMG ={0 or 1}&url={url_for_print}&atext={text_for_print}
or through the Garsonista API.

printer_no is an integer and refers to the number of the in-app printer you want to print to.
url_for_print is the html page or PDF url or Image URL you want to print.
text_for_print is the text you want to print. In this case you should url_for_print=""