Patent ID: 8029128

Claim:
An ink jet recording apparatus, comprising: a recording head, having a dot formation element array in which a plurality of dot formation elements arrayed; a transporting roller, configured to transport the recording medium in a transporting direction and disposed upstream of the recording head in the transporting direction; a discharging roller, disposed downstream of the recording head in the transporting direction; and a rib, configured to support the recording medium, wherein the transporting roller includes a pair of rollers configured to sandwich the recording medium therebetween to transport the recording medium, wherein a direction in which the pair of rollers transport the recording medium is a direction gradually away from a plane being flush with a surface of the recording head at a side of the dot formation element array, wherein when recording at a top end of the recording medium without leaving a margin, the recording head performs recording such that ink is discarded to the outside of the top end of the recording medium at a position downstream of a supporting portion of the rib, which supports the recording medium, in the transporting direction, and wherein when recording at a bottom end of the recording medium without leaving a margin, the recording head performs recording such that ink is discarded to the outside of the bottom end of the recording medium at a position upstream of the supporting portion of the rib, which supports the recording medium, in the transporting direction.