EP1391487A2 — Ink set, ink cartridge, ink jet printer and recording method

USPTO Abstract

The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a λmax of from 390 nm to 470 nm; an I(λmax + 70 nm)/I(λmax) ratio of not greater than 0.4, in which I(λmax) is the absorbance at λmax and I (λmax + 70 nm) is the absorbance at (λmax + 70 nm); and a forced fading rate constant of not greater than 5.0 x 10 -2 [hour -1 ], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.