Provided is a printer which receives inquiry information relating to the print setting sent from a host device, sends to the host device reply information based on its characteristic information in response to the received inquiry information, receives print setting information sent from the host device based on the reply information, requests print object data to the host device in accordance with the received print setting information, receiving the print object data sent from the host device in accordance to the request, and prints the received print object data. Thereby, the present invention enables a host device to make a printer print document data in the host device without requiring conventional printer drivers.