Patent ID: 8730513

Claim:
An image forming apparatus communicable with a host unit, the image forming apparatus comprising: a first storage unit configured to store a plurality of image data; a receiving unit configured to receive, from the host unit, selection information that selects one of the plurality of image data to be printed, from the plurality of image data stored in the first storage unit; a second storage unit configured to store settings, received from the host unit, and related to printing to a substitute paper size to be used when printing on a paper size specified by the image data is not possible, wherein the substitute paper size is different from the paper size specified by the image data; a printing unit configured to print the one of the plurality of image data to be printed, selected by the selection information, on a paper size in accordance with the settings stored in the second storage unit; and a decision unit configured to decide whether image data received from the host unit is to be stored in the first storage unit, or is to be printed by the printing unit without being stored in the first storage unit, or is to be printed by the printing unit and stored in the first storage unit.