To facilitate the determination of food to be dished up on a same dish, when dishing up the food of order data received at the same table on the same dish.

An article code 2 having the same combination information 25 corresponded thereto is classified as the same combination group 31 based on the combination information 25 corresponding to the article code 2 received from the outside as the order data referring to a combination information table and printing data prepared based on the order data is divided according to the same combination group 31 to be outputted to a kitchen printer. When the food of the order data received at the same table is dished up on the same dish, this constitution can facilitate the determination of the food to be dished up, for example, by setting the same combination information according to the classification unit obtained by classifying the same food or the similar food into one group.