An examining apparatus, examining method and an image recording apparatus which analyze the state of a print image irrespective of variation in contrast performance of an optical unit of a reading device are provided. An examining apparatus includes: a reading device configured to read an image recorded by a recording head to output a reading result and including at least one optical unit including an image capturing element and a lens; an analyzing device configured to analyze a state of the recording head or a state of the image by comparing the reading result to a threshold; an index acquiring device configured to acquire an index indicating contrast performance for each divided reading region obtained by dividing a reading region of the reading device into a plurality of regions; and a correcting device configured to correct the threshold for the divided reading region based on the acquired index.