The present invention provides an image recording apparatus comprising a document size detection sensor 103 for recognizing a size of an image to be recorded, an image input section 101 for reading and storing therein the image to be recorded, a paper feeder (not shown herein) for storing therein and feeding recording paper having a specified size, an image forming section 108 for forming an image on recording paper fed from the paper feeder, an image processing section 106 for dividing a read image to two portions based on a result of detection by the document size detection sensor 103 when a size of the image to be recorded is larger than recording paper having a specified size and executing image processing for displacing a central position of each image so that an edge section of each image will be aligned to an edge of a binding space of each discrete sheet of recording paper, and an image output section 107 for outputting an image processed by the image processing section 108.