| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a toner cartridge for obtaining a stable image quality regardless of various use environments or use forms. <P>SOLUTION: The toner cartridge provided detachably to an image forming apparatus includes at least toner and toner container for storing the toner. The toner container is formed by a blowing molding process of a molding resin containing a polyester obtained by polymerization of an aromatic dicarboxylic acid and an alkylene glycol as the main component and at least either a titanium oxide or a zinc oxide. The toner includes a toner particle containing at least a binder resin and a coloring agent, and an inorganic fine powder of 80 nm to 400 nm number average particle size. The isolation ratio of the inorganic fine powder from the toner particle is 5.0 mass% to 35.0 mass%. <P>COPYRIGHT: (C)2010,JPO&INPIT |
