Image forming method using color developers

Details Image forming method using color developers Image forming method using color developers

1999-10-21

2000-05-09

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430106, 430110, 430111, G03G 909, G03G 1301

Patent

active

060602015

ABSTRACT:
An image forming method including the steps of providing a black toner, a yellow toner, a magenta toner and a cyan toner, wherein each toner includes a binder resin, a colorant and an external additive, wherein the external additive contains a silica, and wherein the content by weight of the external additive in the black toner is greater than any one of those in the yellow, magenta and cyan toner; developing an electrostatic latent image formed on an image bearing member with one of the toners to form a toner image; repeating the developing operation mentioned above using the other toners; transferring the toner images to a receiving material; and heating the toner images using a non-contact fixing device to fix the toner images.

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Fushimi Hiroyuki et al, "Dry Electrophotographic Toner and Dry Process Electrophotographic Method", Patent Abstracts of Japan, Publication No. 09190013, Jul. 22, 1997.
Fujimaki Yoshihide, "Color Image Forming Device", Patent Abstracts of Japan, Publication No. 07271135, Oct. 20, 1995.
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Oda Yasuhiro et al., "Color Image Forming Method", Patent Abstracts of Japan, Publication No. 07199583, Aug. 4, 1995.
Inaba Koji et al., "Electrostatic Charge Image Developing Toner, Image Forming Method and Color Image Record", Patent Abstracts of Japan, Publication No. 08314300, Nov. 29, 1996.

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