摘要 |
A xerographic printing device, including a charging device having a thick grid that includes a first pattern divided by a second pattern. In some embodiments the first pattern is a hex, the second pattern is a solid band, the first pattern is divided into two sections of equal size, each section corresponds to a two-dimensional array of pins, the first pattern is formed by etching, the second pattern is formed by the absence of etching, and the grid is constructed of stainless steel. The charging device can be a corotron, a dicorotron, a scorotron, a discorotoron, a pin corotron, a pin scorotron, or any other charging device of that type.
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