A document conveying and reading device includes a drive motor, a paper ejection roller driven by the drive motor, a first reading unit arranged along a document conveying path to face one surface of the document, and a shading roller arranged along the document conveying path to face the first reading unit. The shading roller includes a white reference member used for shading correction and a conveying guide for a document that is conveyed along the document conveying path, is driven by the drive motor together with the paper ejection roller when the drive motor drives the paper ejection roller to rotate in the second direction, and is not driven by the drive motor together with the paper ejection roller when the drive motor drives the paper ejection roller to rotate in the first direction.