An image recording apparatus for performing image recording on a recording medium by using plural types of recording heads each having a plurality of recording elements constituting an array includes a test pattern forming unit for forming test patterns on the recording medium by using the plural types of recording heads, a reading unit for reading the test patterns recorded by the test pattern recording unit, and a correction unit for correcting drive signals for driving the recording elements in correspondence with the recording elements and types of the recording heads on the basis of data read by the reading unit.