Toner for electrostatic image development and image forming method using the same
DCFirst Claim
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1. A toner for electrostatic image development, comprising toner particles in which not more than 13 percent by number of the toner particles have a particle diameter of smaller than 4 μ
- m, not less than 20 percent by number of the toner particles have a particle diameter of 4 μ
m to 6 μ
m, not more than 2.0 percent by volume of the toner particles have a particle diameter of 16 μ
m or greater, wherein the toner particles have a volume average diameter of 4 μ
m to 9 μ
m and at least an external additive is added to the toner particles.
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Abstract
A toner for electrostatic image development, which contains toner particles in which not more than 13 percent by number of the toner particles have a particle diameter of smaller than 4 μm, not less than 20 percent by number of the toner particles have a particle diameter of 4 μm to 6 μm, and not more than 2.0 percent by volume of the toner particles have a particle diameter of 16 μm or greater. The toner particles have a volume average diameter of 4 μm to 9 μm, and at least an external additive is added to the toner particles.
6 Citations
7 Claims
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1. A toner for electrostatic image development, comprising toner particles in which not more than 13 percent by number of the toner particles have a particle diameter of smaller than 4 μ
- m, not less than 20 percent by number of the toner particles have a particle diameter of 4 μ
m to 6 μ
m, not more than 2.0 percent by volume of the toner particles have a particle diameter of 16 μ
m or greater, wherein the toner particles have a volume average diameter of 4 μ
m to 9 μ
m and at least an external additive is added to the toner particles. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- m, not less than 20 percent by number of the toner particles have a particle diameter of 4 μ
Specification