Patent ID: 8564814

Claim:
An image-reading system comprising: a control device that includes: a first memory that stores first device information assigned to an image-reading device having predetermined image-reading functions; a first receiving unit that receives second device information; and a requesting unit that requests, if the received second device information is not included in the stored first device information, creation of a content of a settings screen for setting a scan condition; and an image-reading device that includes: an image-reading unit that reads an image and converts the image to image data; a second memory that stores function information expressing an available function of the image-reading unit; a first sending unit that sends second device information assigned to the image-reading device to the control device; a first creating unit that creates, if the requesting unit requests creation of a content of a settings screen, a content of a first settings screen for setting a scan condition supported by the available function of the image-reading unit expressed by the stored function information; a generating unit that generates, when a scan condition is set on the first settings screen whose content is created by the first creating unit, first instruction data to read an image in accordance with the set scan condition; and a reading controller that controls the image-reading unit based on the generated first instruction data, so that the image-reading unit reads an image in accordance with the set scan condition.