Inkjet inks having cyan, yellow, magenta, and/or black colorants and methods of using the same to produce black and white images
A gray inkjet ink having a black colorant and at least one cyan, magenta, or yellow colorant. By adjusting the amount of cyan, magenta, or yellow colorant in the inkjet ink, a gray inkjet ink having a neutral, warm, cool, or sepia tone is produced. At least one gray inkjet ink is used in a black ink set or an eight-color ink set to produce black and white images having high resolution. Methods of producing black and white images having desired gray tones are also disclosed.
Hewlett-Packard Development Company, L.P.
C
C09D
inventional
David James A
Tyvoll Mott