Image forming apparatus, method, and computer-readable recording medium for login and logout management based on multiple user authentication factors

摘要

An image forming apparatus includes a first authenticator, a second authenticator, and an apparatus authenticator. The first authenticator is configured to perform first authentication. The second authenticator is configured to perform second authentication. The apparatus authenticator is configured to permit a user who has been authenticated in both the first authentication and the second authentication to use the image forming apparatus, and cancel the permission of use of the image forming apparatus for the user when the authentication of the user is canceled in at least one of the first authentication and the second authentication.