Since version 1.4.5 we have an extra parameter to print out your order tickets as coupons. Can be used when you want to use WaiterOne as a event cash register. For every product you select you will receive one ticket. To configure this go to data -> printers -> bar -> settings -> separation between products and select what you want : nothing (is the default), line, partial or full cut.
When selling 4 products the results will be 4 coupons with the products on and a bill receipt (if enabled of course) :