Patent ID: 7056046

Claim:
A printing apparatus that enables transmission of information between a printing apparatus main body that performs a printing operation on print media and a predetermined information processing apparatus, the printing apparatus comprising: a first print media supplying section; a second print media supplying section on which print media of a different size from a size of print media supplied from said first print media supplying section can be stacked, said second print media supplying section being removably installed in said first print media supplying section; a paper feeding unit commonly used for supplying both of the print media stacked on said first print media section and the print media stacked on said second print media section; a first sensor which determines whether or not said second print media supplying section is installed in said first print media supplying section; a second sensor which determines whether or not said second print media supplying section can supply the print media; storage means for storing media information of the print media stacked in said first and second print supplying sections; determining means for determining the print media which can be supplied in accordance with outputs of said first and second sensors; and communication means for transmitting the media information to said information processing apparatus after having read the media information out of said storage means, the media information corresponding to the print media determined by said determining means.