Recording Method And Recording Apparatus
AssigneeSeiko Epson Corporation
InventorsSena GOZU, Kentaro HARA
Life of this patent
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AssigneeSeiko Epson Corporation
InventorsSena GOZU, Kentaro HARA
Estimating the term…
A recording method includes: a transporting step of transporting a recording medium; and an ink deposition step of ejecting an ink composition from an ink jet head to deposit the ink composition onto the recording medium transported in the transporting step, in which the ink jet head is a line head having a length equal to or longer than a recording region of the recording medium in a direction intersecting the transport direction; the ink composition includes a first ink that contains an azo-based pigment and is a red-based ink, and a second ink that contains a pigment and is a chromatic ink other than the red-based ink; each of the first ink and the second ink is an aqueous ink; in the line head, multiple first nozzles ejecting the first ink are arranged in the direction intersecting the transport direction, and multiple second nozzles ejecting the second ink are arranged in the direction intersecting the transport direction; the line head has a portion in which a time difference between landing of the first ink and landing of the second ink on the recording medium varies between portions of the line head in the direction intersecting the transport direction; and at least one of the first ink and the second ink has a thickening ratio of less than 2.0 when the ink is mixed with an aqueous calcium propionate solution having a Ca concentration of 0.3 mol/L at a mass ratio of 10:1.
A recording method comprising:
Dependencies are inferred from the claim text.