DEVELOPER QUANTITY REGULATING BLADE, DEVELOPING DEVICE AND METHOD FOR REGULATING QUANTITY OF DEVELOPER

摘要

PROBLEM TO BE SOLVED: To suppress an image defect such as stripes or non-uniformity caused by a developer by providing a control method for developer by which a blade member is uniformly worn and a pressure proper for toner particles can be provided by accurately controlling an abutting pressure, and using a developing device by which such a method is adopted. SOLUTION: A developer quantity regulating blade 22 is fixed on a developer container 23 at a prescribed position, the developer quantity regulating blade 22 is press-contacted to a developer carrier 24, and a moment around a fixing position 25 of a press-contact force F is made into >8N.cm and <22N.cm.