公开(公告)号：US20170199482A1

公开(公告)日：2017-07-13

申请号：US15472443

申请日：2017-03-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ji-won MOON ,  Yong-il MOON ,  Sang-hoon LEE ,  Yong-kwan CHO

IPC: G03G15/08 ,  G03G21/18

CPC classification number: G03G15/0865 ,  G03G15/0808 ,  G03G15/0856 ,  G03G15/0877 ,  G03G15/0891 ,  G03G15/0896 ,  G03G21/12 ,  G03G21/1609 ,  G03G21/1821 ,  G03G2215/0827 ,  G03G2215/0891 ,  G03G2221/1853

Abstract: An electrophotographic image forming apparatus may include a toner supply unit comprising a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit comprising a photoreceptor; a development unit comprising a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet, wherein the first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and wherein the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.