An image reading device comprising: an image reading unit (30F1) configured to read an image on a recording medium; an output unit (30F2) configured to inspect the image and output an inspection result; and a setting unit (30F3) configured to exclude an area of the recording medium as a first area from an area to be inspected by the output unit (30F2), based on a type of the recording medium or a position of the recording medium with respect to a reading position at which the image reading unit (30F1) reads the image, to determine a second area to be inspected, the output unit (30F2) being configured to output the inspection result based on the second area; characterized in that the image reading device further comprises: a first sandwiching conveyor configured to sandwich and convey the recording medium at a position upstream from the image reading unit (30F1) in a recording medium conveyance direction; and a second sandwiching conveyor configured to sandwich and convey the recording medium at a position downstream from the image reading unit (30F1) in the recording medium conveyance direction, wherein the output unit (30F2) is configured to output the inspection result based on the second area in response to one of the first sandwiching conveyor and the second sandwiching conveyor sandwiching the recording medium. an image reading unit (30F1) configured to read an image on a recording medium; an output unit (30F2) configured to inspect the image and output an inspection result; and a setting unit (30F3) configured to exclude an area of the recording medium as a first area from an area to be inspected by the output unit (30F2), based on a type of the recording medium or a position of the recording medium with respect to a reading position at which the image reading unit (30F1) reads the image, to determine a second area to be inspected, the output unit (30F2) being configured to output the inspection result based on the second area; characterized in that the image reading device further comprises: a first sandwiching conveyor configured to sandwich and convey the recording medium at a position upstream from the image reading unit (30F1) in a recording medium conveyance direction; and a second sandwiching conveyor configured to sandwich and convey the recording medium at a position downstream from the image reading unit (30F1) in the recording medium conveyance direction, wherein the output unit (30F2) is configured to output the inspection result based on the second area in response to one of the first sandwiching conveyor and the second sandwiching conveyor sandwiching the recording medium. a first sandwiching conveyor configured to sandwich and convey the recording medium at a position upstream from the image reading unit (30F1) in a recording medium conveyance direction; and a second sandwiching conveyor configured to sandwich and convey the recording medium at a position downstream from the image reading unit (30F1) in the recording medium conveyance direction, wherein the output unit (30F2) is configured to output the inspection result based on the second area in response to one of the first sandwiching conveyor and the second sandwiching conveyor sandwiching the recording medium.