PROBLEM TO BE SOLVED: To provide a document reading device capable of identifying a document with high accuracy without performing complicated operation.;SOLUTION: In a document reading device (1) including a document reading part (3) for reading a document, an image generation part (4) for generating a preview image on the basis of document reading information acquired by the document reading part (3), and a display part (2) capable of displaying the preview image, the document reading part (3) is provided with a function for reading a plurality of documents with one reading operation, and acquires first document reading information obtained by reading the documents with a document pressing plate released and second document reading information obtained by reading the documents with the document pressing plate closed to the respective documents, and the image generation part (4) generates preview images corresponding to the respective documents on the basis of the first document reading information and the second document reading information.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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