FIELD: physics.
SUBSTANCE: system comprises a plurality of interconnected image processing apparatuses, each of which comprises a user identification information input unit, an authentication information storage unit, and an authentication unit, one of the devices serving as the master device and the other serving as local units; the master device comprises an authentication information editing unit and an authentication information transmission unit; each of the local devices comprises an authentication information reception unit, an authentication information updating unit, an authentication availability setting unit that, when authentication information is not received from the master device, it is selected and set, whether the authentication unit of the local device is authorized to perform authentication, and an authentication availability setting storage unit.
EFFECT: centralized management of the authentication of users of image processing devices without using a dedicated authentication server.
10 cl, 9 dwg
