This disclosure discloses a printing apparatus comprising a feeding device that applies a driving force to feed a print-receiving medium; a print forming device that performs a print forming process on the print-receiving medium; a harmonization controlling portion that harmonizes and controlling a driving speed of the feeding device and the print forming process operation of the print forming device, based on an input of print information by using a predetermined harmonization correlation; and a harmonization changing portion that changes the harmonization correlation according to properties of the print-receiving medium or a bonding medium to be bonded thereto.