The following meta field values control how kitchen printer works:
fnb_print_to
This value controls which logical printer code the item is routed to in the particular store, the code is directly matched with thee available kitchen printer's logical code scheme, if an SKU matches the particular kitchen printer code then the order will be printed accordingly. If no matching code is available then no kitchen ticket will be generated for the particular order item.
fnb_item_type
This value defines the nature of the item. Currently, there are three types of item type.
menu_item: the root level of a order item tree. When interact with printer config, cut_on_every_course, it will gather its own children nodes and print on an individual sheet.
option: indicate and order item as an option, will follow its parent menu item. If the items printing on the same sheet do not include its parent, it will print as top level
modifier: indicate the order item as a modifier, it always follow its own parent / grandparent. If the items printing on the same sheet do not include its parent, it will not print.
fnb_printing_group
This value define the printing group, order item of different printing group will always print seperately.