An image position matching apparatus performs position matching, such that positions of reference areas in two original images align with each other, and supplies information, which represents a translation quantity for aligning the positions of the reference areas in the two original images with each other, and the two original images into an image output device. The image output device aligns the positions of the reference areas in the two original images with each other in accordance with the translation quantity information and the two original images having been received from the image position matching apparatus and outputs the two aligned images, such that the two aligned images are located in a line.