In accordance with one or more aspects, a toner cartridge may be detachably attached to an image forming device. The toner cartridge may be provided with a cartridge case. This cartridge case may be provided with a toner chamber, a cartridge side feed opening for feeding a toner from the toner chamber to the outside of the cartridge case, and a cartridge side return opening from the outside of the cartridge case to the toner chamber. The cartridge side feed opening and the cartridge side return opening may be offset along a horizontal direction. A bottom surface of the toner chamber may slant downward from the cartridge side return opening to the cartridge side feed opening.

 
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< Toner container including a container body with a gripper at the end thereof, and associated method

> Developing unit and image forming apparatus

> Image forming apparatus provided with one-component development apparatus

~ 00599