| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a toner capable of keeping image density on development constant over a long period of time and keeping a stable charge amount over a long period of time, a developer, an image forming apparatus and a process cartridge using the same. <P>SOLUTION: The toner includes at least inorganic fine particles, has a variation of charge of ≤0% and is used in a developing device 4 in which three developer conveyance passages comprising a recovery conveyance passage 7, a supply conveyance passage 9 and a stirring conveyance passage 10 are parted from each other by partition members 133, 134, the stirring conveyance passage 10 and the recovery conveyance passage 7 are on the same level, the supply conveyance passage 9 is located above the other two developer conveyance passages, and toner is replenished to these developer conveyance passages. <P>COPYRIGHT: (C)2008,JPO&INPIT |
