万象网管出现 there is no default printer currently selected 急用

There is no default printer currently selected you have no default printer protel99se 打开原理图时出现Printer selected is not valid咋回事? protel99se 打开原理图时出现Printer selected is not valid咋回事?怎样才能正常使用 printer selected is not valid怎么办 the default printer DC is created failed 英语翻译Windows Media Center is currently disabled in Default Pr win7打印出现“No information is available for this printer”然后打开程序 Sorry there are currently no newsletters available No information is available for this printer PSP出现THERE IS NO DATA currently there is a widespread concern that