A printing apparatus includes a conversion section that retrieves a printing data stored into a storage section on a first-in first-out basis, and converts, for each set of n lines, n being a predetermined number larger than or equal to 1, the retrieved printing data into image data in accordance with a printing setting in order in which the printing data is retrieved; a deletion controller that, at timing when printing of the image data is started, deletes, from the storage section, converted printing data corresponding to the image data; and a printing setting controller that, when the printing setting is changed during the printing of the image data, causes the conversion section to convert converted printing data stored in the storage section, in accordance with the changed printing setting.