Patent ID: 7290044

Claim:
A device information renewal system for use in a network in which a computer terminal and image forming devices are connected, the computer terminal comprising: a storing unit receiving, with the computer terminal being connected to a first network, device information of image forming devices on the first network from the image forming devices, the device information being registered into an operating system running on the computer terminal as first device information; a comparison unit receiving, when the computer terminal connected to the first network is moved and connected to a second network, second device information of all image forming devices on the second network from all the image forming devices and the first network information from the storing unit, and determining whether the second device information matches with the first device information; and a renewal unit renewing the first device information by adding the second device information to the first device information registered in the operating system of the computer terminal when it is determined that the second device information matches with the first device information.