| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a positive charging type electrophotographic image forming apparatus of a cleaner-less system which has a long-life developing device in which degradation in the charging performance of positively charged toner after repeated use is restricted and image deterioration is restricted as a result. <P>SOLUTION: The positive charging type electrophotographic image forming apparatus is of the cleaner-less system using non-magnetic one component toner and has the developing device that includes at least a supply roller, a developing roller, a layer thickness regulating member, toner stirring blades, and a toner filling part, wherein on the supply roller side, the height of the bottom of the toner filling part with which the toner stirring blades come into contact, is lower than the center of the supply roller. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
