According to another aspect of the invention, there is provided an apparatus unit, comprising: an electrostatic latent image bearing member and a developing device for developing the electrostatic latent image at a developing station; the developing device comprising a developer container for containing the toner, and a developer carrying member for carrying {TAIL ~ the toner} and conveying {HEAD ~ the toner} to the developing station 
According to another aspect of the invention , there is provided an apparatus unit , comprising : an electrostatic latent image bearing member and a developing device for developing the electrostatic latent image at a developing station ; the developing device comprising a developer container for containing the toner , and a developer carrying member for carrying { TAIL ~ the toner } and conveying { HEAD ~ the toner } to the developing station
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