| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus, which is capable of distributing different color toner mixed within a development device, so as to prevent deterioration of the quality of images. <P>SOLUTION: The image forming apparatus includes: a plurality of photosensitive members; a retaining member configured to temporarily retain remaining developer remaining on the photosensitive member; a belt arranged opposite to the plurality of photosensitive members; a cleaning member configured to collect developer on the belt; a remaining developer collecting means configured to cause the remaining developer retained by the retaining member to be transferred onto the belt via the photosensitive member and thereafter to be collected by the cleaning member; and a plurality of development devices each including a development chamber 48H which is provided with a developing roller 48B for supplying developer to the photosensitive member, and a developer storage chamber 49I arranged above the development chamber 48H and configured to store developer. The development device includes a circulation mechanism (partition wall WH, agitator 60 and augers 70 and 80) configured to circulate developer between the development chamber 48H and the developer storage chamber 49I. <P>COPYRIGHT: (C)2009,JPO&INPIT |
