Image reading apparatus, method for controlling image reading apparatus, and storage medium

摘要

An image reading apparatus includes a reading unit that reads an image on a document, a document conveyance unit that conveys the document to the reading unit, a first identification unit that identifies a size of the document before the document begins to be conveyed, a reading control unit that controls the reading unit to read the document, based on the size identified by the first identification unit, and a second identification unit that identifies a size of the document after the document begins to be conveyed, wherein the reading control unit performs control to, in a case where the size identified by the first identification unit is smaller than the size identified by the second identification unit, cancel reading processing, and in a case where the size identified by the first identification unit is greater than the size identified by the second identification unit, continue the reading processing.

主权项

1. An image reading apparatus comprising:
a reading unit configured to read an image on a document to generate image data; a document conveyance unit configured to convey the document to the reading unit; a first identification unit configured to identify a size of the document before the document conveyance unit starts conveying the document; a reading control unit configured to control the reading unit to read the document, based on the size identified by the first identification unit; and a second identification unit configured to identify a size of the document after the document conveyance unit starts conveying the document, wherein the reading control unit is configured to perform control to, in a case where the size identified by the first identification unit is smaller than the size identified by the second identification unit, cancel reading processing and, in a case where the size identified by the first identification unit is greater than the size identified by the second identification unit, continue the reading processing.