| 摘要 |
An image scanning device to which an external storage is detachably connected. The image scanning device is provided with an image scanning unit configured to scan an image formed on an original document and generate data representing the scanned image, a data storing unit configured to store the data generated by the image scanning unit in the external storage connected to the image scanning device, a capacity presuming unit configured to presume a necessary capacity which should be available in the external storage for storing the data generated by the image scanning unit prior to storing the data, a comparing unit configured to detect a remaining capacity of the external storage and compare the remaining storage with the necessary capacity presumed by the capacity presuming unit, and a warning unit configured to issue warning if the remaining capacity is less than the necessary capacity. |
