A continuous sheet-printing device including: an input buffer for printing data; a generation section that generates image data from the printing data that is supplied from the input buffer; an output buffer for the generated image data; a printing section that implements printing on continuous sheet in accordance with image data supplied from the output buffer; a determination section that determines, on the basis of a buffering state of the output buffer, whether or not generation of image data by the generation section will be timely for a print timing of that image data at the printing section; and a controller that, when the determination section determines that generation of image data by the generation section will not be timely, controls the printing section such that a predetermined page count of skip page(s) is inserted between printed pages according to the generated image data, is provided.