Patent ID: 6819905
Filing Date: 2004-11-16
Classification: G03G

Abstract:
An image forming apparatus comprising:transferring means for transferring a developer image on an image bearing member onto a transferring material; and a blade abutting on the image bearing member in a direction opposite to a rotation direction, for removing developer on the image bearing member, wherein a weight-averaged particle diameter of the developer is in a range of 5 &mgr;m&lE;X&lE;12 &mgr;m, wherein in the developer, among particles having a particle size of 3 &mgr;m of larger such include particles having a circularity of 0.90 or larger by 90% or more in a number-based cumulative value, in a case that the circularity is determined by a value in which a circumferential length of a circle having a projection area, which is the same as a projection area of a particle image, is divided by a circumferential length of the particle image, and wherein said blade is provided under the developer removed by said blade to collect the removal of developer at a portion where said image bearing member abuts onto said blade.