Patent ID: 8395802

Claim:
A printing apparatus comprising: a communication interface unit configured to communicate with an image supply device; an authentication unit configured to: (i) receive authentication information indicating being capable of communicating in a predetermined direct printing protocol, of the image supply device, from the image supply device after communication is initiated between the printing apparatus and the image supply device via the communication interface unit, and (ii) send authentication information indicating being capable of communicating in the predetermined direct printing protocol, of the printing apparatus, to the image supply device; a transmission unit configured to transmit capability information of the printing apparatus to the image supply device after the authentication unit has sent the authentication information of the printing apparatus, wherein the capability information describes a print condition in which the printing apparatus is able to execute; a reception unit configured to receive a print job from the image supply device via the communication interface unit; a print control unit configured to print an image in accordance with a print condition set in the print job received by the reception unit; and a control unit configured to: (i) shift a state of the printing apparatus to a ready state in which the printing apparatus is able to receive a print job in a case that the authentication unit has received the authentication information of the image supply device and has sent the authentication information of the printing apparatus to the image supply device, and (ii) when a print job is received from the image supply device in the ready state, print an image in accordance with a predetermined print condition of the printing apparatus.