Importance

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Abstract

An image reading system includes a reading section that is provided in a conveyance path for conveying a document and that reads an image from the document conveyed through the conveyance path; a rotating member that is disposed opposite to the reading section across the conveyance path and rotates with a main scanning direction of the reading section as an axial direction; a flat white reference surface that is provided on an outer periphery of the rotating member and from which white reference data is read by the reading section; reference markers that are provided on both end sides of the white reference surface in the axial direction and are read by the reading section; and a processor that, in a case where rotation positions of the rotating member when the respective reference markers are read are different, sets a reading reference position of the white reference data between the read rotation positions of the rotating member and controls the reading section to perform reading at a position based on the reading reference position.

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First Claim