MFC-7440N 常見問題&故障排除 MFC-7440N 不是您的產品嗎? 依…排序 更新日期 使用率 3 結果 1. 20/01/2014 I'm using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes. 2. 17/01/2014 I am having a problem receiving faxes. 3. 25/04/2013 Why doesn't the machine answer when receiving a call? 中文 傳真 常見問題&故障排除