Color converting method, density-gradient correction method and color printer using the same

The present invention relates to a color conversion method and a density gradient correction method for a printer for mainly producing a color proof for forming a color image and a printer capable of performing the methods A method of color conversion includes preserving a 0% density for a particular color in the pre-conversion state to maintain a 0% density after conversion is provided via a translation table. Density gradation methods include a gradient value structure such that the highlight and shadow regions of the density are more finely represented in comparison to non-highlight and non-shadow regions. A further density correction method includes supplying an amount of energy to a non-image area when printing using a first color, wherein the amount of energy will not produce a dot in the non-image area upon application of a second color. A printer may employ one or more of the above methods in the form of a translation table or a density correction patch.