Even if the user selects a print mode for executing borderless printing, when the borderless printing is improper for a discriminated sheet type, in order to prevent the occurrence of various faults in a printing unit due to the execution of whole surface printing onto the sheet on which borderless printing is improper by outputting image information with margins on the sheet, a sense result of a media is obtained and whether or not the media type indicates the media which can be borderless-printed is discriminated on the basis of the sensed result. If it is determined that the media is not the media which can be borderless-printed, the print mode is changed to bordered printing.