Patent ID: 8159699

Claim:
A printing apparatus having a copy number printing function for printing a copy number on a printout of a print job of a document, the printing apparatus comprising: a storage unit adapted to store a number of printed copy information together with a document set with a copy number printing for a print job; a display unit; and a controller programmed to: determine whether or not the copy number printing is to be performed on a printout of one print job; determine whether or not a document matching the printout of the one print job is stored in the storage unit when the controller determines that the copy number printing is to be performed on the printout of the one print job; determine whether or not the copy number printing on the printout of the stored one print job has been set when the controller determines that the matching document is stored in the storage unit; and display a first screen in the display unit for inputting a password when the controller determines that the copy number printing to be performed on the printout of the one print job has been set; display a second screen in the display unit displaying that the copy number printing will be performed on the printout of the one print job and allowing a user to instruct whether to continue with the one print job when the controller determines that the matching document is stored in the storage unit but the copy number printing to be performed on the printout of the one print job has not been set; and perform the copy number printing of the one print job based on the number of printed copy information of the matching document stored in the storage unit, and update the number of printed copy information based on the number of printed copies when a correct password is input through the first screen or when performed printing through the second screen.