Patent ID: 8264724

Claim:
A job history information auditing system including an image forming apparatus which generates job history information including a log and image data or a link log upon execution of a job, and a data server which saves the job history information in a searchable state, said image forming apparatus comprises: a setting information acquisition unit configured to acquire an operating condition setting associated with execution of a job and generation of a log; a job determination unit configured to determine whether or not the executed job is an input job that has the log of the input job and image data related to the log referred to as a reference destination of the link log included in job history information of the output job which is executed after the input job has been executed, according to a type of the executed job; an appending unit configured to append, to the image data related to the log, information indicating whether or not job history information image data has already been generated; a generation determination unit configured to determine based on the information appended by said appending unit whether or not job history information image data has already been generated; an image data generation unit configured to generate the image data related to the log of the executed job as job history information image data; a log generation unit configured to generate a log or a link log of the executed job; and a sending unit configured to send the job history information including the log and the job history information image data related to the log or the link log to said data server according to the operating condition setting, the link log includes information as a reference destination of the image data when the job uses the job history information image data saved in said data server, and said image data generation unit generates the job history information image data when said job determination unit determines that the executed job is the input job, and said generation determination unit determines that the job history information image data has not been generated yet.