Patent ID: 7057750

Claim:
A printing apparatus which prints an image on the basis of received image data, comprising: a mounting unit in which a storage medium storing the image data is mounted; a terminal for connecting an image supply device for supplying the image data; processing means for processing the image data input via the mounting unit or the terminal; an operation unit adapted to be operated by a user and input an instruction and data; detection means for detecting whether the image supply device has been connected via the terminal; invalidation means for invalidating input of the image data from the storage medium mounted in the mounting unit and operation on the operation unit when said detection means detects that the image supply device has been connected; image print control means for printing the image on the basis of the image data from the image supply device; interface means for connecting a host computer; and means for permitting access from the host computer to the storage medium via said interface means even when said detection means detects the image supply device has been connected.