Patent ID: 7230731

Claim:
An image formation apparatus comprising: a print data storage unit that stores print data and a first password; a printing unit that conducts print processing to the print data stored in the print data storage unit; a password acquisition unit that acquires an entry password for the print data from an outside of the apparatus; and a printing control unit that allows the printing unit to start the print processing of the print data under condition that the entry password acquired by the password acquisition unit corresponds to the first password; a print data queue that stores the print data to be processed by the printing unit; an entry unit that makes an entry of the print data stored in the print data storage unit, in the print data queue; and an output control unit that outputs an instruction for a request of the password for the print data stored at a top of the print data queue; and a time calculation unit that calculates a waiting time required since the entry unit makes an entry of the print data in the print data queue until the printing unit starts the print processing of the print data, wherein the time calculation unit calculates a waiting time for a specified print data based on a number of sheets to which the print data is output, the print data being entered in the print data queue prior to the specified print data among the print data stored in the print data queue.