Patent ID: 8403444

Claim:
A recording apparatus comprising: a recording head, including a first discharge port array and a second discharge port array in which a plurality of discharge ports for discharging ink is arranged in a predetermined direction, wherein the first discharge port array and a second discharge port array are arranged in the direction crossing the predetermined direction, for recording an image on a recording medium by scanning the recording head to the recording medium in a scan direction crossing the predetermined direction; a conveyance unit configured to convey the recording medium in a conveyance direction crossing the scan direction; a controller configured to cause the first and second discharge port arrays to record a plurality of patterns on the recording medium such that a plurality of first patterns are recorded in the scan direction by the same part of the discharge ports of the first discharge port array and each of second patterns to be recorded corresponding to the plurality of first patterns is formed by each of different parts of the discharge ports of the second discharge port array so as to differentiate an extent of an overlap between the first pattern and the second pattern, without conveyance of the recording medium by the conveying unit; and a correction unit configured to correct an inclination of the first recording position to the scan direction based on the plurality of patterns.