1. An image recording apparatus, comprising: a recording device having a plurality of recording elements which record an image onto a recording medium; an extraction device which extracts a region satisfying a prescribed extraction condition according to information of the image recorded on the recording medium by the recording device; a reading device which reads in the image recorded on the recording medium and accordingly outputs read information; and a recording element abnormality determination device which determines abnormalities of the recording elements corresponding to the image in the extracted region extracted by the extraction device according to the read information of the region extracted by the extraction device.