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AssigneesRicoh Company, Ltd., Fujitsu Limited
InventorsOsamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura, Takashi Yamamoto, Masakazu Kinoshita, Yoshimi Mizoguchi, Yoshimichi Katagiri
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An image formation method for forming an image is proposed, which uses 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 the image being in a range of 4×10−3 kg/m2 to 8×10−3 kg/m2, wherein an image glossiness (GKC) obtained by the black toner in the maximum transferable amount thereof at the multi-color image printing, an image glossiness (GCC) obtained by each of the color toners other than the black toner in the maximum transferable amount thereof at the multi-color image printing, and an image glossiness (GKM) obtained by the black toner in the maximum transferable amount thereof at the monochrome image printing satisfy a particular relationship as described in the specification. In addition, the above toners and a printed matter prepared by this image formation method are proposed.
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 4×10−3 kg/m2 to 8×10−3 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:
A printed matter printed by 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 4×10−3 kg/m2 to 8×10−3 kg/m2, wherein an image glossiness (GKC) obtained by said black toner in said maximum transferable amount thereof at said multi-color image print, 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:
Dependencies are inferred from the claim text.