公开(公告)号：US09885975B2

公开(公告)日：2018-02-06

申请号：US15472443

申请日：2017-03-29

Applicant: S-PRINTING SOLUTION 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 includes a cartridge for forming a visible toner image. The cartridge includes a development chamber having a toner inlet through which toner is supplied into the development chamber, a development roller provided in the development chamber, and a supply roller provided in the development chamber that supplies toner to the development roller. The cartridge further includes a first toner transporting member that transports toner supplied through the toner inlet in an axial direction of the supply roller, and a toner supply guide that is disposed between the first toner transporting member and the supply roller and includes a slit which has a length in the axial direction and through which toner is dropped onto the supply roller. The toner supply guide is downwardly inclined in the axial direction.