| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner capable of providing an excellent image even on recycled paper. SOLUTION: This toner contains an external additive consisting of spherical silica particles whose hydrophobicity is 30-90%, number average particle diameter is 0.03-1μm, and sphericity is 1-1.3, inorganic fine particles other than the spherical silica particles, and organic fine particles (fine particles other than the spherical silica particles are 50 wt.% or less to the total amount of external additives), and coloring particles whose sphericity is 1-1.3, and a method forms an image by developing an electrostatic latent image on a photosensitive body using the toner. COPYRIGHT: (C)2009,JPO&INPIT
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