Patent ID: 8300257

Claim:
A center server for an image network system, connecting an order entry channel via a communication network, for receiving image data and an order from the order entry channel via the communication network, comprising: an order reception means for receiving an order of the image data supplied from the order entry channel on a customer basis and managing the order; an image storage means for giving an order identifier to image data supplied from the order entry channel based on the order managed by the order reception means and storing the image data, the order identifier identifying whether the image data is ordered image data which has been ordered before or unordered image data which has never been ordered; and a capacity management means for obtaining a total value of sizes of the unordered image data among the image data stored by the image storage means based on the order identifier on a customer basis, and managing whether or not the total value is within such a range as not to exceed a predetermined upper limit value.