首页> 外文会议>International Conference on Digital Printing Technologies: Final Program and Proceedings; 20050918-23; Baltimore,MD(US) >Analysis of the Tribocharging Mechanism and the Surface Properties of a Development Roller in an Electrophotographic Toner Development System
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Analysis of the Tribocharging Mechanism and the Surface Properties of a Development Roller in an Electrophotographic Toner Development System

机译:电子照相调色剂显影系统中显影辊的摩擦充电机理和表面性能分析

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摘要

In previous work, we observed that current flows through each system pan (i.e. development roller, blade, and supply roller) in normal operation during roller rotation in a mono-component development system. Measurement of these currents was shown to be useful for determining toner charging and charge transfer mechanisms. A theoretical analysis of the process is presented and by comparing this with the experimental data, it is suggested that an effective bias is generated between the doctor blade and the development roller surface due to the toner charging. By measuring the surface potential on the development roller as it was rotated, charge trapping at the development roller surface was experimentally observed. This trapped charge was released by contacting with the supply roller. It was found that the surface characteristics of the development roller considerably affected the current and the charge retention of the surface. This is shown to result in a "residual voltage" that is related to the effective bias controlling the current flow.
机译:在以前的工作中,我们观察到在单组件显影系统中的辊旋转过程中,正常操作中电流流经每个系统盘(即显影辊,刮刀和供纸辊)。这些电流的测量显示出对于确定调色剂的充电和电荷转移机制是有用的。给出了对该过程的理论分析,并将其与实验数据进行比较,这表明由于调色剂带电,在刮刀和显影辊表面之间产生了有效的偏压。通过测量显影辊旋转时的表面电势,实验观察到电荷在显影辊表面的捕获。通过与供纸辊接触释放了捕获的电荷。发现显影辊的表面特性极大地影响了表面的电流和电荷保持力。可以看出这会导致“残余电压”,该残余电压与控制电流的有效偏置有关。

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