Printing apparatus and an image supply device using picture transfer protocol having a function which checks attribute information of a file object managed in the image supply device

摘要

A printing apparatus according to a preferred embodiment of this invention receives, from an image supply device, a first script “DDISCVRY.DPS” that describes the print function of the image supply device. If the first script describes support for printing by XHTML, the printing apparatus determines whether printing corresponding to the description is possible. The printing apparatus transmits a second script “HDISCVRY.DPS” that describes a print function executable by the printer to the image supply device in accordance with the determination result.