Patent ID: 8040576

Claim:
An image reading apparatus comprising an original-sheet support table and reading an image on an original sheet supported by the original-sheet support table, wherein the original-sheet support table includes: (a) an original-sheet support surface on which the original sheet is supported; (b) a contact surface which intersects the original-sheet support surface and is contactable with one side of the original sheet supported by the original-sheet support surface; and (c) at least one guide mark which is provided in the contact surface; an upper surface which extends from an upper edge of the contact surface in a direction perpendicular to a widthwise direction parallel to the original-sheet support surface and the contact surface; and a second guide mark which is provided in the upper surface adjacent to a first guide mark as the guide mark, wherein the original sheet is positioned on the original-sheet support surface in a state in which the one side of the original sheet is held in contact with the contact surface of the original-sheet support table and one end of the one side of the original sheet is aligned with the at least one guide mark.