Patent ID: 8218175

Claim:
A printing system comprising: a terminal of a plurality of terminals that outputs print data of a print target and authentication information required for performing a print operation; a plurality of image forming units; and an authority information memory that stores printing authority information on the presence or absence of the printing authority given to each of the authentication information in the image forming unit and that stores printing function authority information on the presence or absence of usage authority of various printing functions of the image forming unit, the usage authority being given to each of the authentication information output by the terminal, the terminal including: an authentication information obtaining unit that obtains the authentication information; an authority information obtaining unit that obtains the printing authority information from the authority information memory; a print determination unit that determines whether or not the authentication information obtained by the authentication information obtaining unit permits a specific print operation by the image forming unit on the basis of the printing authority information obtained by the authority information obtaining unit; a display unit that displays a print setup dialog box where the specific print operation determined to not be permitted based upon the authentication information obtained by the authentication information obtaining unit is restricted; an input unit that receives input from a user based upon the print setup dialog box; a print data unit that updates the print data on the basis of the input received from the user; and an output unit that outputs the updated print data and the authentication information to an image forming unit of the plurality of image forming units, wherein the image forming unit receives the updated print data and the authentication information from the terminal and that prints the updated print data on condition that printing authority for permitting the print operation is given to the authentication information.