Patent ID: 8424103

Claim:
An authenticated printing system comprising: a job creation unit that creates a print job in accordance with a direction of an user; a job holding unit that holds the print job created by the job creation unit; an authentication information acquisition unit that generates first authentication information based on information acquired from an authentication device; an authentication unit, implemented by a processor and interconnecting to a database server through a network, that receives the first authentication information generated by the authentication information acquisition unit and performs authentication of an user based on the first authentication information; and a print unit that acquires the print job of an authenticated user from the job holding unit and prints the print job in a case where the user is authenticated by the authentication unit, wherein the authentication unit includes: a process section that acquires second authentication information of an owner of the print job from the database server and stores the acquired second authentication information in a cache as authentication usable information when the print job is held by the job holding unit, and a process section that performs the authentication of the user based on whether the authentication usable information stored in the cache corresponds to the first authentication information generated by the authentication information acquisition unit, wherein the authentication unit acquires the second authentication information of the owner of the print job from the database server prior to the first authentication information generated by the authentication information acquisition unit.