An image forming apparatus of the invention includes a read unit to read an original document, a storage unit to store an image file of the original document read by the read unit, a control unit to control storage and readout of the image file into and from the storage unit, and an image formation unit...http://www.google.com/patents/US8040564?utm_source=gb-gplus-sharePatent US8040564 - Image forming apparatus, image reading apparatus, and control method thereof
