Patent ID: 8267512

Claim:
An ink jet recording apparatus, comprising: an ink jet recording head which is reciprocatable in a primary scanning direction; a controller operative to perform an operation mode in which a recording is performed without leaving a margin by ejecting ink toward an edge of a recording medium and an outside of the edge of the recording medium; a protuberance having a supporting surface configured to support the recording medium; and a plurality of recess forming walls disposed at a position to which the ink ejected toward the outside of the edge of the recording medium is attached, the recess forming walls arrayed in the primary scanning direction and each extending in a secondary scanning direction, wherein top surfaces of the recess forming walls are situated below the supporting surface of the protuberance and are exposed, wherein a thickness of each of the recess forming walls is less than a thickness of the protuberance, and wherein the secondary scanning direction is a transporting direction of the recording medium and the primary scanning direction is perpendicular to the transporting direction.