Patent ID: 7561288

Claim:
A print system, in which an image supply device and a printing device directly communicate with each other via a communication interface, for transmitting image data to the printing device from the image supply device and printing the image data, the print system comprising: a communication unit configured to establish a communication procedure between the image supply device and the printing device; an assignment unit configured to acquire function information via said communication unit, the function information including at least a supporting level of an operation controller of the image supply device for controlling a user interface, and to assign an operation controller to either the image supply device or the printing device by comparing a supporting level of the operation controller of the image supply device with a supporting level of an operation controller of the printing device; and a print control unit configured to transmit/receive image data and a communication command between the image supply device and the printing device based on an assignment assigned by said assignment unit, and perform a print operation by using the printing device based on the image data supplied from the image supply device, wherein the image data is selected using the operation controller assigned by said assignment unit.