Black ink-jet inks with reduced lightness and haze

摘要

A method of decreasing L*min and reducing stacked haze in a black region of an ink-jet printed image is disclosed which includes providing an ink-jet ink receptive medium and ink-jetting at least one ink-jet ink onto the medium to form a printed medium including an image having at least one black region. At least one of the ink-jet inks includes a black ink-jet ink including a liquid vehicle and a certain black azo dye having the Formula 1. The method includes stacking the printed medium, to obtain a printed medium having decreased L*min and reduced stacked haze in the black region(s).