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Developing apparatus and image forming apparatus

  • US 20030128997A1
  • Filed: 11/18/2002
  • Published: 07/10/2003
  • Est. Priority Date: 12/28/2001
  • Status: Active Grant
First Claim
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1. A developing apparatus comprising:

  • a developer carrying member for carrying a developer to develop an electrostatic image formed on an image bearing member with the developer;

    a developer regulating member for regulating an amount of the developer carried on said developer carrying member; and

    control means for controlling a potential difference between said developer carrying member and said developer regulating member such that the potential difference is larger in at least a part of non-developing operation than in a developing operation when said developer carrying member carries the developer.

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