| 摘要 |
An electrophotographic image forming apparatus includes a toner image forming section (22), a recording material storing section (23), a sheet feeding and conveying section (23B) provided sideward of the recording material storing section (23), a toner reservoir section (24) provided on a side opposite to the sheet feeding and conveying section (23B), a toner separation section (60) provided upward of the developing device (4) to separate the toner, a supply pipe (40,41) for interconnecting the toner reservoir section (24) and the toner separation section (60) to supply the toner, a collection pipe (42,43) for interconnecting the toner reservoir section (24) and the toner separation section (60) to collect the toner, a first fluid conveyance device (501) provided on the supply pipe (40,41) between the toner reservoir section (24) and the toner separation section (60) for conveying a supply fluid, and a second fluid conveyance device (502) provided on the collection pipe (42,43) between the toner reservoir section (24) and the toner separation section (60) for conveying a collection fluid. <IMAGE> |
