Patent ID: 8270878
Filing Date: 2012-09-18
Classification: G03G

Abstract:
1. A developing unit to store black developer usable with an image forming apparatus having an image carrier, the developing unit comprising: a developing unit housing having a front side and a rear side; a developer storage portion provided in the developing unit housing for storing black developer, the developer storage portion including an inclined bottom wall; a developing member to receive developer from the developer storage portion and form a developer image by supplying developer to the image carrier, when the developing unit is mounted in the image forming apparatus; and a carrying portion provided underneath the developing member adapted to receive residual developer, the carrying portion including a horizontal surface portion providing a horizontal surface in an interior of the carrying portion and extending horizontally from the front side of a bottom wall of the developing unit housing and a front surface portion which is bent from the horizontal surface portion to extend toward the image carrier, when the developing unit is mounted in the image forming apparatus.