| 摘要 |
A network system comprises a printing device, and a plurality of management devices that manages the printing device via a network. The printing device comprises a plurality of communication interfaces individually connected to the network, a trouble detecting system that detects troubles caused in the printing device, a trouble notification management information storing system that stores trouble notification management information representing a relationship among information on a management device to be notified of a trouble, information on a communication interface used by the management device, and information on a method of delivering trouble notifying information, and a trouble notifying system that delivers the trouble notifying information to the management device in a corresponding method via a corresponding communication interface by reference to the trouble notification management information. Each of the plurality of the management devices comprises a receiving system that receives the trouble notifying information.
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