A device for conveying a document of the present invention includes an insertion sensor for sensing a document inserted into the device. A conveying member conveys the document to a preselected reading position. A discharging member drives the document read out of the device. A discharge sensor senses the trailing edge of the document at a position adjoining the discharging member. When the discharge sensor senses the trailing edge of the document being discharged by the discharging member, a controller interrupts the operation of said discharging member. When the insertion sensor senses the next document after the discharging member has nipped the trailing edge of the preceding document, the controller inhibits the conveying member from conveying the next document.