Patent ID: 8151361

Claim:
An image-processing system including a plurality of communicably connected image-processing apparatuses, each of said plurality of image-processing apparatuses comprising: a storing portion to store registered-user information including at least user identification information for identifying a user; a user-identification-information receiving portion to receive input of said user identification information; a judging portion to judge whether said registered-user information including said received user identification information is stored in said storing portion; a first permitting portion to, when said judging portion judges that said registered-user information is stored in said storing portion, permit execution of at least one function possessed by said first permitting portion's own image-processing apparatus; a function information acquiring portion to, when said judging portion judges that said registered-user information is not stored in said storing portion, acquire function information defining at least one function possessed by another image-processing apparatus among said plurality of image-processing apparatuses without having to pre-identify the source of said function information, said another image-processing apparatus storing said registered-user information including said received user identification information; and a second permitting portion to permit execution of a function among the functions defined in said function information, the function being also possessed by said second permitting portion's own image-processing apparatus.