| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a development apparatus reducing problems of toner scattering and image fogging. <P>SOLUTION: The development apparatus 2 includes a first conveyance screw 112a provided in a first conveyance path C and conveying a developer in an X direction while agitating it in the first conveyance path C, a second conveyance screw 112b provided in a second conveyance path D and conveying the developer in a Y direction while agitating it ins the second conveyance path D, a first communication passage (a) and a second communication passage b communicating the first conveyance path C with the second conveyance path D, a development roller 114 carrying the developer conveyed in the second conveyance path D to supply carried toner to a photoreceptor, a toner refill opening 115a for refilling the toner in the first conveyance path C, and a magnet 117 for forming a magnetic brush J comprising a magnetic carrier in the first conveyance path C. <P>COPYRIGHT: (C)2009,JPO&INPIT |
