A multi-function printing apparatus for executing a duplex print job for printing on both surfaces of a sheet is provided. The multi-function printing apparatus includes a network controller for inputting the duplex print job, a hard disk drive for storing the duplex print job, a printing unit for printing on both surfaces of a sheet on the basis of the duplex print job, and an output bin for stacking the printed sheet. The multi-function printing apparatus further includes an operation unit for selecting a predetermined print job to be printed from among a plurality of print jobs and a control unit. When a user selects the duplex print job including a sheet with the first surface printed via the operation unit, the control unit controls the printing apparatus to print on a second surface of the sheet with the first surface printed and outputs the sheet to the output bin.