| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device which can inhibit unauthorized use by a user not having use authority when an authorized user logs in the device after once being authenticated and leaves the device in logged-in state.SOLUTION: For each function of which a request for use is input by a user among functions provided by an image forming device, the image forming device displays an input screen for user authentication information to require user authentication, and determines whether input user authentication information is correct. Only when it is determined that the authentication information is correct, the image forming device executes the function corresponding to the authentication. |
