| 摘要 |
An ink jet recording device includes scanning means for scanning ink jet recording heads in a scanning direction, each of the recording heads having plural ink discharge generating elements and plural discharge ports associated therewith, the discharge ports being adapted to perform a recording operation within a recording area which is a total area covered by the discharge ports during one scanning operation, supplying means for supplying recording signals corresponding to the recording area to a group of the ink discharge energy generating elements, and conveying means for conveying a recording medium relative to the recording heads. A control means controls the ink jet recording heads, supplying means and conveying means so that when the control means operates in a first recording mode, a recording within the recording area is completed in a single scanning operation, and when the control means operates in a second recording mode, the recording within the recording area is completed by plural scanning operations such that the recording area is subjected to the overlapped recordings by different discharge ports. The control means selects the recording mode according to a condition relating at least to a material quality of the recording medium.
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