激光打印機工作時,如果加了屏蔽「包裹」,這個屏蔽「包裹」一定要有可靠的接地。請參考以前的文章
關於居家屏蔽的幾個問題
https://www.minghui.org/mh/articles/2005/5/16/101927.html
打印機屏蔽罩的製作經驗
https://www.minghui.org/mh/articles/2005/5/14/101743.html
激光一體機的屏蔽問題
https://www.minghui.org/mh/articles/2005/8/29/109360.html
居家屏蔽電磁輻射的常識與方法(圖)
https://www.minghui.org/mh/articles/2005/4/9/99205.html
靜電複印機和激光打印機的屏蔽問題
https://www.minghui.org/mh/articles/2005/6/30/105183.html
關於打印機屏蔽罩接地問題的進一步探討
https://www.minghui.org/mh/articles/2003/6/20/52582.html
關於居家屏蔽的幾個問題
https://www.minghui.org/mh/articles/2005/5/16/101927p.html
對「居家屏蔽電磁輻射的常識與方法」的補充說明(圖)
https://www.minghui.org/mh/articles/2005/5/3/100984.html
技術交流:手機的屏蔽
https://www.minghui.org/mh/articles/2004/5/27/75674.html