Samsung Electronics Co., Ltd.

Hewlett-packard Development Company, L.p.

S-printing Solution Co., Ltd.

Hyung-seok Chang

Ji-won Moon

Sung-Jin Kim

Dong-Geun Lee

Seung-chan Park

Seong-ho Jeong

Jong-won Han

Yong-il Moon

Byeong-no Jeong

Ji-Won Moon

Jong-Won Han

Seong-Ho Jeong

Byeong-No Jeong

An electrophotographic image forming apparatus and development cartridge are provided. The apparatus including a separating member mounted in a development cartridge. The separating member includes a development nip separating portion and a charging nip separating portion respectively separating a development nip and a charging nip when the development cartridge is mounted in a mounting portion of a photoreceptor cartridge mounted in a body.

Electrophotographic image forming apparatus and development cartridge

An electrophotographic image forming apparatus and a development cartridge are provided. The electrophotographic image forming apparatus includes a body including an opening, a photoreceptor cartridge attached to, or detached from, the body through the opening, a photoconductive drum and a mounting portion, a development cartridge attached to, or detached from, the mounting portion through the opening while the photoreceptor cartridge is mounted in the body, a development roller supplying toner to an electrostatic latent image formed on the photoconductive drum, a cover for opening or closing the opening, and a pressurizing unit fixing the development cartridge to the mounting portion by providing a pressing force to the development cartridge in a direction parallel to a center line connecting centers of the photoconductive drum and development roller while the opening is closed.

Growing community of inventors

Seoul, South Korea

Hyung-seok Chang