Patent ID: 8463156
Filing Date: 2013-06-11
Classification: G03G

Abstract:
1. An image forming apparatus for forming an image on a recording material, said image forming apparatus comprising: a cartridge including a developer accommodating portion for accommodating a developer for developing an electrostatic latent image formed on a photosensitive member; a cartridge supporting member including a mounting portion in which said cartridge is detachably mountable, said cartridge supporting member being movable between an inside position in which an image is to be formed by said cartridge mounted in the mounting portion inside a main assembly of said image forming apparatus and an outside position in which said cartridge is to be mounted and demounted outside the main assembly; and a preventing member movable between a first position in which said preventing member prevents, when said cartridge is not mounted in the mounting portion, movement of said cartridge supporting member from the outside position to the inside position by contacting a portion to be prevented, and a second position in which said preventing member permits, when said cartridge is mounted in the mounting portion, the movement of said cartridge supporting member from the outside position to the inside position, wherein the second position is retracted from the first position, wherein said cartridge supporting member includes releasing means for positioning said preventing member at the second position, said releasing means capable of contacting said preventing member to position said preventing member at the second position even when said cartridge is not mounted in the mounting portion.