MFC-L3770CDW 常見問題&故障排除 MFC-L3770CDW 不是您的產品嗎? 依…排序 更新日期 使用率 2 結果 1. 13.06.2017 My Brother machine is dialing the wrong number or is not dialing the number I entered or I receive a busy signal or recording when trying to send faxes. 2. 19.09.2014 Why doesn't my Brother machine have a dial tone? 中文 電話 常見問題&故障排除