We did such thing to print labels with lot number and product on a Zebra Printer.
Label is designed with a specific software: https://www.zebra.com/gb/en/products/software/barcode-printers/print-dna/zebradesigner-developer.html and loaded into Zebra Printer ram. Then you need to send data to print as an xml file to the printer. (https://www.youtube.com/watch?v=Iq719RiTi7Y)
Here’s our Tryton Code: