A printing apparatus which performs printing on a medium based on printing data, the apparatus comprising: an interface (37 for receiving a printing job including printing data and information to identify a user who enters the printing job from an originating device; a storage section (33, 34) configured to store the printing data; an accepting section configured to accept an issuance instruction to issue a password corresponding to the printing data; a password generating section configured to generate the password; an obtaining section configured to obtain a destination of the password corresponding to the printing data in accordance with the user of the printing job, wherein the destination is a mobile device, the mobile device being different from the originating device and being different from the printing apparatus; a transmission section configured to transmit the password generated by the password generating section to the destination obtained by the obtaining section, on condition that the accepting section accepts the issuance instruction; an input section configured to accept an input of a password by a user; a judgment section configured to judge as to whether or not a password accepted by the input section is coincident with a transmitted password transmitted by the transmission section; a printing section configured to start printing, based on the printing data corresponding to the transmitted password, on the condition that the judgment section judges that the password accepted by the input section is coincident with the transmitted password; a notifying section configured to send a notice of the transmission of the password to an address corresponding to the originating device by which the printing data corresponding to the password is stored in the storage section (33, 34), in a case that the password is transmitted by the transmission section; the printing apparatus being characterized by an instruction accepting section (31, 200) configured to accept an instruction from the originating device as to whether or not the printing of the printing data corresponding to the password transmitted by the transmission section is permitted, after the notice is sent to the address corresponding to the originating device by the notifying section; and a print prohibition section (31, 200) configured to prohibit the printing of the printing data by the printing section, in a case that the instruction accepting section (31, 200) accepts an instruction that the printing is not permitted. an interface (37 for receiving a printing job including printing data and information to identify a user who enters the printing job from an originating device; a storage section (33, 34) configured to store the printing data; an accepting section configured to accept an issuance instruction to issue a password corresponding to the printing data; a password generating section configured to generate the password; an obtaining section configured to obtain a destination of the password corresponding to the printing data in accordance with the user of the printing job, wherein the destination is a mobile device, the mobile device being different from the originating device and being different from the printing apparatus; a transmission section configured to transmit the password generated by the password generating section to the destination obtained by the obtaining section, on condition that the accepting section accepts the issuance instruction; an input section configured to accept an input of a password by a user; a judgment section configured to judge as to whether or not a password accepted by the input section is coincident with a transmitted password transmitted by the transmission section; a printing section configured to start printing, based on the printing data corresponding to the transmitted password, on the condition that the judgment section judges that the password accepted by the input section is coincident with the transmitted password; a notifying section configured to send a notice of the transmission of the password to an address corresponding to the originating device by which the printing data corresponding to the password is stored in the storage section (33, 34), in a case that the password is transmitted by the transmission section; the printing apparatus being characterized by an instruction accepting section (31, 200) configured to accept an instruction from the originating device as to whether or not the printing of the printing data corresponding to the password transmitted by the transmission section is permitted, after the notice is sent to the address corresponding to the originating device by the notifying section; and a print prohibition section (31, 200) configured to prohibit the printing of the printing data by the printing section, in a case that the instruction accepting section (31, 200) accepts an instruction that the printing is not permitted.