发明授权
US6047147A Electrostatic image forming apparatus 失效
静电图像形成装置

Electrostatic image forming apparatus
摘要:
In an image forming apparatus, the absolute value (.vertline.VBH-VM.vertline.) of the potential difference between a first development bias electric potential (VBH) and an intermediate electric potential (VM) is set to be smaller (.vertline.VBH-VM.vertline.
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