| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent damage to a conveyance coil due to toner clogging in a toner conveying path in a toner conveying device provided with a pipe which is fit with the conveyance coil inside and installed inclined toward the horizontal direction, as a toner conveying device adapted for an image forming apparatus using electrostatic developing method. <P>SOLUTION: A driving means (motor M) rotating the conveyance coil 8 provided inside a pipe 7 connecting a case 4a and a cylinder 2a of a toner bank unit is constituted so that it can be rotated forward and in reverse. <P>COPYRIGHT: (C)2003,JPO |
