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发明授权
US06901233B2 Image forming apparatus 有权
图像形成装置

Image forming apparatus
摘要：
An image forming apparatus of the present invention includes a bias power supply for applying a bias VB to a developer carrier on which a developer is deposited. A charge potential deposited on an image carrier, which faces the developer carrier for forming a latent image thereon, is 400 V or below in absolute value. Assume that the potential of the image carrier is lowered to VL after exposure, that a development potential is |VB−VL|, that the maximum set value of the development potential for development is |VB−VL|max, and that the development potential varies in a range satisfying relations: |VB−VL|≦|VB−VL|max+|VB−VL|max×0.2 |VB−VL|≧|VB−VL|max−|VB−VL|max×0.2 |VB−VL|max≦300 V Then image density varies by a width of 10% of image density corresponding to the maximum set value of the development potential or less.
摘要（中）：

本发明的图像形成装置包括偏置电源，用于将偏压V B B施加到其上沉积显影剂的显影剂载体上。 沉积在图像载体上的电荷电位，其面向用于在其上形成潜像的显影剂载体，其绝对值为400V或更低。 假设曝光后图像载体的电位降低到V L，则显影电位为| V B -V L | L， 开发发展潜力的最大设定值为| V | B | | | | | | | |，并且显影电位在满足关系的范围内变化：<？ -line-formula description =“In-line Formulas”end =“lead”？> | V ＆lt;＆lt;＆lt;＆lt; L＆gt; | max + | V B＆lt; 行公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> | V B B> | B | B || V | B | B || B ||||||||,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, .2 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> | V B L max <= 300 V <？in-line-formula description =“In-line Formulas”end =“tail”？>然后，图像浓度因 宽度为10％o f图像浓度对应于开发潜力的最大设定值以下。

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