To make it possible with a post card making device composed of an original reading device and an image printing device that an image is prepared on an upward facing original image preparation surface, and in that condition, the original image can be read in by the original reading device as precisely positioned, and further the original reading device and the image printing device are assembled to an integral unit for storage, an original placing and storage assisting device is provided so as to present an original image preparing surface and to be connected to the image printing device by sandwiching the original reading device therebetween.