Patent ID: 6432589
Filing Date: 2002-08-13
Classification: G03G

Abstract:
An image formation method for forming an image, using an image formation apparatus capable of performing (1) multi-color image formation and printing by superimposing toner images with different colors by use of a plurality of color toners with different colors, including at least a black toner, and (2) monochrome image formation and printing, using only a black toner, with a maximum transferable amount of each color toner onto said image being in a range of 4Ã—10âˆ’3 kg/m2 to 8Ã—10âˆ’3 kg/m2, wherein an image glossiness (GKC) obtained by said black toner in said maximum transferable amount thereof at said multi-color image printing, an image glossiness (GCC) obtained by each of said color toners other than said black toner in said maximum transferable amount thereof at said multi-color image printing, and an image glossiness (GKM) obtained by said black toner in said maximum transferable amount thereof at said monochrome image printing satisfy the relationship of:4&lE;GKC&lE;25(%), 5&lE;GCC&lE;30(%), 0.1&lE;GKM&lE;10(%), 0.5&lE;GKC/GCC&lE;0.9, 0.1&lE;GKM/GKC&lE;0.7, andâ€ƒGKM&lE;GKC&lE;GCC.