Abstract: The present disclosure enables to display a paper-out error immediately in the middle of printing images of scanner-read originals. A control method for a printing apparatus that includes a scanner for reading originals, a printer for printing images of the originals read by the scanner, and a controller for selecting a printing paper storage unit storing printing paper on which the images are to be printed, the control method including counting a number of the originals, calculating, every time the number of the originals is counted, a number of printing paper sheets for printing the images of the read originals based on the counted number of the originals, and displaying an error message when the calculated number exceeds the number of printing paper sheets stored in the selected printing paper storage unit.