| 摘要 |
A data transmission apparatus transmits data relating to an image to be recorded on a recording medium to an ink-jet recording apparatus including a line-type ink-jet head which is formed with an ejection face having a plurality of ejection openings arranged in a matrix. A data generation unit included in the data transmission apparatus generates an image data block including a plurality of dot data lines each formed for each of the ejection openings. The dot data line is made up of a plurality of dot data elements corresponding to a plurality of dots arranged in a conveyance direction in the image to be recorded on the recording medium with an arrangement order of the plurality of dot data elements being according to an arrangement order of the corresponding dots in the conveyance direction. The data transmission apparatus further includes a data compression unit which compresses the image data block generated by the data generation unit, and a data transmission unit which transmits a compressed file generated by the data compression unit to the ink-jet recording apparatus.
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