Patent ID: 8446645

Claim:
An image reading apparatus comprising: a sheet placement unit on which a sheet is placed; a sheet output unit; a sheet conveyance unit that conveys the sheet from the sheet placement unit to the sheet output unit via a conveyance path; a reading unit, which is movable within a reading area provided along the conveyance path, and which reads the sheet in the reading area; an image data generation control unit that is configured to: control the reading unit to move to a reading position of the reading area; control the sheet conveyance unit to convey the sheet; control the reading unit to read the sheet at the reading position while conveying the sheet through the reading position so as to generate an entire image data of the sheet; and generate an entire image data of the sheet; a determination data generation control unit that is configured to: control the reading unit to read the sheet during a period from when a leading end portion of the sheet reaches the reading area until when the reading unit reaches the reading position by the image data generation control unit; and generate a partial image data of the sheet including the leading end portion as a determination data; and a determination unit that determines whether or not a state of conveyance of the sheet is normal based on the determination data.