Patent ID: 8582143

Claim:
An image reading apparatus comprising: a conveying unit configured to convey a document; a reading unit configured to read an image of the document conveyed by the conveying unit; a storage unit configured to store data of the image read by the reading unit; and a reading control unit configured to cause the reading unit to stop the reading operation and cause the conveying unit to stop the conveying operation of the conveyed document at a position other than a stop-forbidden position where a stop of the conveyed document is forbidden in a case where a free space available for storing the data in the storage unit is lacking, and cause the reading unit to restart the reading operation and cause the conveying unit to restart the conveying operation of the stopped document in a case where the free space available for storing the data in the storage unit increases, wherein the reading control unit causes the reading unit to stop the reading operation and causes the conveying unit to stop the conveying operation, in accordance with both of the free space available for storing the data in the storage unit and a current position of the conveyed document, so as to stop the conveyed document before the stop-forbidden position.