A media processing device comprising: a device case with a media entrance and a media exit, wherein, when the device case is placed upright on a flat surface, one direction parallel to the surface is a front-back axis, the direction parallel to the surface and perpendicular to the front-back axis is a device width axis, and the direction perpendicular to the surface is a vertical axis; a media conveyance path formed in the device case for guiding first media that bends easily, inserted from the media entrance from the front to the back in the direction of the front-back axis along an upstream path portion of the media conveyance path connected to a back path portion of the media conveyance path, then in the direction of the device width axis along the back path portion of the media conveyance path connected to a downstream path portion of the media conveyance path, and then from the back to the front in the direction of the front-back axis to the media exit along the downstream path portion of the media conveyance path; an optical reading unit for imaging media passing through the media conveyance path; and a straight conveyance path forming a part of the media conveyance path at the downstream path portion; characterized by a straight second media insertion path that extends from the straight conveyance path toward the front in the direction of the front-back axis on a line extending the straight conveyance path, and is formed in a top part of the device case facing up on the vertical axis, for inserting second media that does not bend easily, to the straight conveyance path or discharging second media that does not bend easily, to the outside of the straight conveyance path; wherein the optical reading unit is configured to image media passing through the straight conveyance path; wherein the straight conveyance path and the second media insertion path extend in the direction of the front-back axis; and the discharge direction of the first media discharged from the media exit is a direction different from the direction of the second media insertion path, and is a direction slanted at an acute angle (θ) with respect to the front-back axis. a device case with a media entrance and a media exit, wherein, when the device case is placed upright on a flat surface, one direction parallel to the surface is a front-back axis, the direction parallel to the surface and perpendicular to the front-back axis is a device width axis, and the direction perpendicular to the surface is a vertical axis; a media conveyance path formed in the device case for guiding first media that bends easily, inserted from the media entrance from the front to the back in the direction of the front-back axis along an upstream path portion of the media conveyance path connected to a back path portion of the media conveyance path, then in the direction of the device width axis along the back path portion of the media conveyance path connected to a downstream path portion of the media conveyance path, and then from the back to the front in the direction of the front-back axis to the media exit along the downstream path portion of the media conveyance path; an optical reading unit for imaging media passing through the media conveyance path; and a straight conveyance path forming a part of the media conveyance path at the downstream path portion;