MFC-9840CDW 常見問題&故障排除 MFC-9840CDW 不是您的產品嗎? 依…排序 更新日期 使用率 3 結果 1. 17/01/2014 I am having a problem receiving faxes. 2. 25/04/2013 Why doesn't the machine answer when receiving a call? 3. 28/03/2011 I am using Voice Over Internet Protocol (VoIP) and cannot send and/or receive faxes. 中文 傳真 常見問題&故障排除