I gather most people print packing slips of their orders each morning. Once they are done and they do their next print out in an hour or whatever the next timing is, how do they know where they are up to and what needs printing next?

It would make sense to highlight or have a mark on the orders to see their status, ie, printed.

Currently we print the orders, then tag them with printed for this process which works fine enough. Once you select the orders and click print packing slips the orders become unticked and you have to tick them all again to add the printed tag, if they could stay tagged this would make life easier, thanks!