| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a toner conveyance device which prevents scattering, electrostatic charging and grain coarsening of toner during conveyance of toner, also prevents an image defect by replenishing the toner at a constant rate with high accuracy, and further, and achieves cost reduction and space saving without obstructing the flexibility of designing. <P>SOLUTION: The toner conveyance device includes: a conveyance belt which is stretched between the outer peripheries of at least two shafts; a plurality of toner conveyance boxes which have toner supply sections and toner discharge sections and are arranged by being fixed onto the conveyance belt. The device has a magnet on the bottom of the toner conveyance box. The device has a means turning on/off the magnet. The device also has a toner discharge mechanism near the bottom of the toner conveyance box. Entire part of the toner conveyance box consists of an elastic body. The opening area of the toner conveyance box is smaller than the bottom area of the toner conveyance box. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
