Patent ID: 7984481

Claim:
An image processing system comprising: a document storage apparatus for storing document data therein; an image processing apparatus connected to the document storage apparatus via a network, for processing the document data transmitted from the document storage apparatus and for storing user account data; a first authenticator for performing user authentication at the time of an access to the document storage apparatus; a second authenticator for performing user authentication at the time of an access to the image processing apparatus; and a controller for; controlling the authenticators so that when authentication is established by the first authenticator, authentication is not performed by the second authenticator, and (i) performing user account processing in a case where a user is authenticated by the first authenticator and a user account exists as user account data in the image processing apparatus, (ii) performing account processing as a public user in a case where the user is authenticated by the first authenticator and there exists no user account data in the image processing apparatus, and (iii) performing an authentication process with the second authenticator in a case where the user is not authenticated by the first authenticator.