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Home › Developing device and developing method featuring a use-related control of a first voltage and a second voltage respectively, applied to a developer bearing member and a developer charging member

Developing device and developing method featuring a use-related control of a first voltage and a second voltage respectively, applied to a developer bearing member and a developer charging member

US Patent 6470153 · Granted Oct 22, 2002

Estimated economic value: $147,000 ⓘ

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