Patent ID: 8109628

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 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, 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, and wherein the rib is configured to support the recording medium at a position where the discarded ink is not adhered to the rib when recording at the top end and the bottom end of the recording medium.