There is provided a device information management system, including a server, a client and a device in which the server and the client are configured to communicate with each other via a first communication channel while the client and the device are configured to communicate with each other via a second communication channel different from the first communication channel and device information is transmitted from the device to the client via the second communication channel and from the client to the server via the first communication channel and registered in a database of the server. The device includes a device-side information supplying unit configured to supply the device information to the client via the second communication channel.