Patent ID: 6995878

Claim:
An image reading apparatus comprising two different reading systems constituted by a first reading system in which an original is fixed on an original plate and an optical system scans the original to read image information, and a second reading system in which an optical system is fixed and image information is read while moving the original, wherein a second original illumination system, different from a first original illumination system that illuminates the original placed on the original plate, is arranged above a scan flow member used when reading image information while moving the original, an original convey device is formed to move the original above said second original illumination system, and wherein a focal surface of the original fixed on the original plate is positioned below said second original illumination system in a direction of an optical axis of said second original illumination system, and a focal surface of the original conveyed by the original convey device is positioned above the second original illumination system in the direction of the optical axis of said second original illumination system.