| 摘要 |
PROBLEM TO BE SOLVED: To provide toner having the excellent characteristics of suppressing or preventing the occurrence of the image flow during image formation under a high-humidity environment. SOLUTION: The toner has toner particles having at least a colorant and a binder resin, wherein an inorganic fine powder has a primary-particle average particle diameter of from 30 to 300 nm, and has particles having a cube-like particle shape and/or a rectangle-like particle shape and having perovskite type crystals; and the inorganic fine powder has particles and agglomerates both having particle diameters of 600 nm or more, in a content of 0% to 1% by number. COPYRIGHT: (C)2006,JPO&NCIPI
|
