A printing device includes an electronic document acquisition unit that acquires an electronic document to be printed on a medium, a code information generation unit that generates code information including information for uniquely specifying a medium on which a document image of the electronic document acquired by the electronic document acquisition unit is printed and address information within the medium, a code image generation unit that converts the code information generated by the code information generation unit into a print image to generate a code image, a document image generation unit that generates the document image from the electronic document, and a printing unit that prints the generated code image and the document image on a surface of the medium.