Patent ID: 8843023

Claim:
An electrophotographic image forming apparatus comprising: a tray movable between a outer position in which said tray is outside of a main assembly of said apparatus and an inner position in which said tray is inside of the main assembly of said apparatus, said tray including a mounting portion configured and positioned to detachably mount a cartridge in the outer position, wherein said cartridge includes a developer accommodating portion configured to accommodate a developer; a portion to be engaged provided to the main assembly of the apparatus, a regulating member configured and positioned to regulate movement of said tray from the inner position toward the outer position when said tray is located in the inner position, wherein said regulating member is provided to said tray and is engaged with the said portion to be engaged in the state in which said tray is located in the inner position, wherein said regulating member is locatable in a regulating position for regulating movement of said tray from the inner position toward the outer position and a retracted position in which said regulating member is retracted from the regulating position, and a releasing member configured and positioned to release an engagement between said regulating member and said portion to be engaged, wherein said releasing member is movably provided to said tray, wherein said regulating member is moved from the regulating position to the retracted position by movement of said releasing member in the state in which said tray is located in the inner position, and tray is movable from the inner position to the outer position when the engagement is released.