Importance

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Abstract

A copying machine control system according to the present invention includes a plurality of data terminals collecting data related to a plurality of copying machines, respectively, a centralized control unit for communicating data with each data terminal through a communication network, and a communication control unit for connecting the plurality of data terminals and the communication network. Each of the data terminals includes a request device for requesting the communication control unit communication with the centralized control unit when predetermined transmission condition including one with high priority and one with low priority is satisfied, a transmitting device for transmitting the priority of the transmission condition to the communication control unit when the predetermined transmission condition is satisfied, and a communication device for communicating with the centralized control unit when communication with the centralized control unit is permitted by the communication control unit. The communication control unit includes a first controller for, when request for communication is caused by only one of the data terminals, permitting the data terminal to communicate with the centralized control unit, and a second controller for, when requests for communication are caused from a plurality of the data terminals, permitting a data terminal having transmission condition with the highest priority to communicate with the centralized control unit.

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First Claim