FAX-878 FAQs & Troubleshooting FAX-878 Not your product? Sort by: Updated Date Popularity 4 Results 1. 11/19/2012 How do I program the date and time? 2. 09/26/2008 How do I set up a answering machine (TAD) to work on the same line as the fax? 3. 09/26/2008 How do I connect an External Telephone? 4. 08/24/2006 Can an External Answering Device(TAD) be used instead of the built-in one? Product Setup FAQs & Troubleshooting