This article covers how to set your products to print to specific printers in your Product settings. If you're looking for help on how to set up your printer, please have a look at this page: Printer Setup.
Print on receipt: This option is always enabled by default to make sure the product prints out on the receipt printer.
Print to kitchen: If you have a kitchen printer, you can enable this product to be printed out on kitchen tickets for the chef/cook.
Print to drinks: If you have a drinks printer, you can enable this product to be printed out on drinks tickets for the bartender/barista.
Print to other: If you would like tickets to print anything other than drinks or kitchen orders, you can enable this option to do so.
Note that you can use a single printer for multiple functions (Receipt + Kitchen/Drinks/Other)