To suppressing part of an image not being recorded even when the image to be recorded does not fit in an area defined by the top, bottom, left, and right margins set by an application.[Solution]If the size of the image to be recorded is larger than the application-specified area defined by the margins when image information including information denoting margins on cut-sheet paper is input from an application execution unit, the printer driver execution unit of the host computer virtually enlarges the positions of the sides of the cut-sheet paper, and generates and outputs to the printer a control command to record the image described by the image data in an enlarged area, which is an area defined by sides separated by the margin from the virtually enlarged sides.