我公司致力于激光打印机硒鼓、粉盒和复印机鼓架、粉盒的研发与生产。
My company is committed to the laser printer drum unit, compact and copier drum frame, the research and development and production of the powder compact.
这个例子是一个负电荷的硒鼓和纸张，碳粉和带正电的是共同在今天的数码复印机。
This example is of a negatively charged drum and paper, and positively charged toner as is common in today's digital copiers.
一些复印机，其中大部分是老式模拟复印机，采用了带正电荷的硒鼓和纸张，碳粉和负电荷。
Some copiers, mostly older analog copiers, employ a positively charged drum and paper, and negatively charged toner.
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