Electrophotographic image forming apparatus

摘要

An electrophotographic image forming apparatus is provided including a body including an opening and a first coupler, a photoreceptor cartridge including a second coupler connected to the first coupler, a first gear connected to the second coupler, and a mounting portion, and attached to or detached from the body through the opening; and a development cartridge including a second gear connected to the first gear and attached or detached from the mounting portion through the opening while the photoreceptor cartridge is mounted in the body.

主权项

1. An electrophotographic image forming apparatus comprising:
a body comprising an opening and a first coupler; a photoreceptor cartridge comprising a second coupler connected to the first coupler, a first gear connected to the second coupler, and a mounting portion, and attached to or detached from the body through the opening; a development cartridge comprising a second gear connected to the first gear, and attached to or detached from the mounting portion through the opening in a state where the photoreceptor cartridge is mounted in the body; a first guide protrusion disposed on both side portions of the development cartridge; and a first accommodation portion provided at the photoreceptor cartridge and in which the first guide protrusion is accommodated, wherein the first accommodation portion comprises a retreat preventing portion disposed at a removal direction of the first guide protrusion and supporting the first guide protrusion, and wherein an angle formed by the retreat preventing portion and a line connecting centers of the first and second gears is larger than a pressure angle of the first and second gears.