Toner and image forming method

Details Toner and image forming method Toner and image forming method

2006-03-28

2006-03-28

Dote, Janis L. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

C430S108800, C430S110300, C430S110400, C430S111400

Reexamination Certificate

active

07018761

ABSTRACT:
A toner used for an image forming method comprises steps of: limiting an amount of toner on a surface of a toner carrier by allowing a toner layer limiting member to be pressed to the surface of the toner carrier; and developing an electrostatic latent image formed on an electrostatic latent image carrier using the toner carried and transferred by the toner carrier, based on a non-magnetic single component development system, wherein the toner comprises toner particles having a volume average particle diameter of 3 to 9 μm, an arithmetic mean value of shape factor of 1.1 to 1.5, a coefficient of variation of shape factor of 16% or less, a ratio of rounded toner particle of 50% by number or more and a coefficient of variation of number particle diameter distribution of 26% or less, and a conveyance index of 2.0 to 10.0.

REFERENCES:
patent: 2002/0037469 (2002-03-01), Kohyama et al.
Grant, R., et al, ed.,Grant&Hackh's Chemical Dictionary, fifth edition, McGraw-Hill Book Company, NY (1987), p. 357.

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