MFC-J2720 FAQs & Troubleshooting MFC-J2720 Not your product? Sort by: Updated Date Popularity 2 Results 1. 13/06/2017 The message "ERROR" or "NG" appears on the Transmission Verification Report when I try to send a fax. 2. 23/06/2014 My documents are not feeding through the Automatic Document Feeder (ADF) when I try to send a fax, scan to the PC, or make a copy. Fax FAQs & Troubleshooting