A printing apparatus that is an inkjet printing apparatus includes a print head that includes a plurality of nozzles that eject liquid droplets, and prints output data onto a recording medium in a plurality of scans, a storage unit including number of storage areas, the number being determined based on a scheme of the scans, an intermediate data generating unit that generates intermediate data corresponding to an image to be output in each of the scans of the print head from input image data, an intermediate data storing processing unit that stores the intermediate data in different storage areas of the storage unit corresponding to the respective scans of the print head, and an output data converting unit that converts the intermediate data stored in the storage unit into the output data, and sends the output data to the print head.