Nonmagnetic black toner for reversal development
AssigneeKao Corporation
InventorsShinichi Sata, Akihiro Eida, Koji Shimokusa, Jun Shimizu
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Abstract
A nonmagnetic black toner for reversal development comprising a resin binder; and a black colorant comprising a composite oxide of two or more metals, the composite oxide having an oil absorption per unit area of 0.07 ml/m2 or less. The nonmagnetic black toner can be suitably used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Claims8
A process for development of a toner, comprising applying a nonmagnetic black toner to a development device for reversal development, wherein the nonmagnetic black toner comprises:
- a resin binder;
- and
- a black colorant comprising a composite oxide of two or more metals, the composite oxide having an oil absorption per unit area of 0.07 ml/m2 or less.
Dependencies are inferred from the claim text.