| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a development apparatus for surely replenishing toner to a developer container when toner concentration in the developing container is lowered, and obtaining always stable developing property by replenishing no excessive toner to the developer container when the toner in the developer container is not consumed and toner concentration remains high. <P>SOLUTION: The toner developing apparatus is provided with a developer restricting member which is installed downstream from the developer container and developer retreating part in the transported direction of the developer of a developer carrier and blocks a part of the two component developer carried and transported by the developer carrier as an excessive developer and separates the excessive developer to the developer container or the developer retreating part according to the toner concentration, wherein a developer path on which the two component developer made to flow on a tilting plate flows back and a toner path supplying the toner from the toner containing part are independently provided. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
