Evaluation of Absolute Value of Toner Triboelectric Charging Ability and Method of Reliability Assurance of the Value

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  • トナーの摩擦帯電能の絶対値評価とその確からしさの保証方法
  • トナー ノ マサツ タイデンノウ ノ ゼッタイチ ヒョウカ ト ソノ タシカ ラシサ ノ ホショウ ホウホウ

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<p>There is a zero-point-charge method of absolutely evaluating the triboelectric charging ability of toner with any measurement device. The zero-point-charge is defined as the position of carrier having the same charging ability of the toner on a triboelectric series of carriers. However, to use this method, it is necessary that the measured values of toner electrification quantity don't include values except for the triboelectric charging between toner and carrier, therefore, it is necessary to confirm the reliability of measured zero-point-charge position. In this study, we have examined the method of guaranteeing the reliability of the zero-point-charge position of each measurement device when using the triboelectric series of the standardized carriers of the Imaging Society of Japan. More specifically, we have measured several zero-point-charge positions by changing the triboelectric charging conditions between toner and carrier and examined the equality for those values.</p><p>As a result, even though the zero-point-charge position of each measurement device appears to be the same, the reliability of each value is not the same in terms of the degree of convergence of the zero-point-charge positions measured with different conditions.</p><p>This verification method is applicable to any measurement device and the numerical values for convergence of the zero-point-charge positions of each device are likely to be common to all devices. Therefore, this verification method has the possibility of being a standard.</p>

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