译文：1.Today the printer was/is working properly, and the internet connection was/is stable.2.Today the printer wasn't working properly but the system seemed stable.3.Today the printer was not functioning, and the server connection was lost. The root cause hasn't been identified yet.注：[1] 如果你是在一天结束时记录系统状态，应该用过去
1.The printer works well today and the internet is stable.2.The printer can't work and the system is stable.3.Both of printer and system can't work without any reason being found.
1.The printer is good order in additionnetwork is steady today2.The printer can not work,but system is steady today3.The printer can't print and his system is can't be enter
today the printer is stable ,internet stable.today the printer is broken,system stable.today the printer can not be used , system entry failure,can not find the cause.
