FAQs & Troubleshooting FAQ Search Results MFC-J650DW Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faq00002123_050 I am using Voice Over Internet Protocol (VoIP) and am having problems sending faxes. 2.faq00002123_049 I am using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes. FAQs & Troubleshooting