Patent ID: 9058017
Filing Date: 2015-06-16
Classification: G03G

Abstract:
1. An electrophotographic image forming apparatus comprising: a body comprising an opening; a photoreceptor cartridge attached to, or detached from, the body through the opening, and comprising a mounting portion, a photoconductive drum, and a charging roller, wherein the photoconductive drum and the charging roller form a charging nip by contacting each other; a development cartridge attached to, or detached from, the mounting portion through the opening while the photoreceptor cartridge is mounted in the body, and comprising a development roller forming a development nip by contacting the photoconductive drum; a cover for opening, or closing, the opening, and fixing the development cartridge to the mounting portion by pressurizing the development cartridge while the opening is closed; and a separating member mounted on the development cartridge, and comprising a development nip separating portion and a charging nip separating portion respectively separating the development nip and the charging nip while the development cartridge is mounted in the mounting portion, wherein when the development cartridge is mounted in the mounting portion, the charging nip separating portion is inserted between the charging roller and the photoconductive drum to separate the charging roller from the photoconductive drum.