| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a black ink composition that enables provision of an image having black color with less yellow tinge or an intermediate tone (for example, gray) with less yellow tinge, and suppresses streak-shaped unevenness in an image and generation of nozzle damage during maintenance. <P>SOLUTION: A black ink composition includes: carbon black, at least a part of which is covered with a water-insoluble resin; a cyan pigment, at least a part of which is covered with the water-insoluble resin; a magenta pigment, at least a part of which is covered with the water-insoluble resin; water-insoluble resin particles; and water, wherein a content ratio of the carbon black is 1.0 to 2.0 mass% with respect to the total mass of the composition, and a total amount of pigments is 1.8 to 3.5 mass% with respect to the total mass of the composition. <P>COPYRIGHT: (C)2012,JPO&INPIT |
