| 摘要 |
The present invention provides an ink jet recording apparatus having an ink jet recording head provided with a plurality of nozzles through which inks of a plurality of colors are ejected, a cap to be detachably brought into close contact with a nozzle face in which holes of the plurality of nozzles are formed, and ink-suction means which sucks an ink within the ink jet recording head by way of the cap. The apparatus is configured such that contact angles thetaa of the inks with respect to the nozzle face and contact angles thetab of the inks with respect to the cap have a relation of thetaa>thetab; and the angles thetaa are 50° or larger, and differences between the angles thetaa and the angles thetab are 40° or larger.
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