Patent ID: 8395791

Claim:
An image forming device capable of performing an authentication print printing, which is a printout process for performing user authentication using a predetermined authentication device and determining a start of execution of a printout process based on a result of the user authentication, the image forming device comprising: a communication interface that receives job data from a terminal; a job data property deriving unit that derives a property of a job related to the job data by referencing data contained in the job data other than data explicitly indicating to execute/not to execute the authentication print printing, and outputs the property as job property data; an authentication print setting deciding unit that decides whether or not to execute the job related to the job data as the authentication print printing based on the job property data; an authentication unit that is the predetermined authentication device; a user authentication unit that outputs the result of the user authentication using said authentication unit, and wherein the result of the user authentication is an authentication print printout process or a normal printout process; and a job executing unit that executes the job related to the job data based on the result of the user authentication, and wherein the start of the execution of the printout process for the normal printout process is immediately upon accepting the job.