Image reading apparatus, image forming apparatus, image reading method and image forming method

摘要

An image reading apparatus includes: a detecting section for detecting a size of an original sheet; an image reading section for reading an image described in the original sheet; and a storage medium for storing the read image which is read by the image reading section; wherein before the size of the original sheet is detected by the detecting section, the image reading section reads the image to store the read image in the storage medium; and after the size of the original sheet is detected by the detecting section, a size of the stored image which is stored in the storage medium is changed in accordance with the detected size of the original sheet, which is detected by the detecting section.