| 摘要 |
A developing device of monocomponent development system for developing a latent image formed on an image bearing member according to the present invention includes a toner carrying member disposed opposite the image bearing member via a gap of 50 to 250 mum therebetween, and including a conductive substrate and an elastic layer having a rubber hardness of not more than 70 degrees and a thickness in the range of 7 to 50 mum, and a regulating member pressed against a surface of the toner carrying member for regulating the amount of toner on the toner carrying member.
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