Apparatuses for image forming capable of effectively conveying developer therefrom and a method of effectively forming a reinforcing member adhering to the apparatuses

摘要

A developer container includes a cap controlling a flow of developer with a hole detachably engaged with a nozzle connecting to an image forming apparatus, and a developer case containing the developer with an outlet be connected to the hole. The developer case allows the developer to flow through the outlet in a direction different from the flow of developer through the hole. The developer case includes a flexibly foldable bag or a bottle. The bag has at least one sheet material attached on a surface thereof. The at least one sheet material has a laterally bow-shaped surface extending outwardly from the surface of the bag out and reinforces the surface of the bag.