A printing apparatus includes a receiving means for receiving a printing job including a plurality pages, a printing means for performing printing processing on a plurality of papers based on the received printing job, a paper discharge means for discharging the plurality of papers which has been subjected to the printing processing, storing means for storing job information for specifying the printing job and paper-discharge-interval control information for controlling a paper discharge interval, a determination means for, when the printing processing based on the received printing job is performed, determining whether there exists a performed printing job that is substantially the same as the received printing job based on the job information stored in the storing means, and a control means for, when the determination means determines that the performed printing job exists, controlling the paper discharge interval based on the paper-discharge-interval control information.