MFC-640CW FAQs & Troubleshooting MFC-640CW Not your product? Sort by: Updated Date Popularity 4 Results 1. 27/01/2014 How do I store received faxes in memory? 2. 29/08/2006 Can I reduce the size of a received fax on this machine? 3. 22/08/2006 Can I still receive faxes or calls when the machine is switched off? 4. 16/03/2006 How do I print the received faxes that are stored in memory? (Fax Storage) Fax FAQs & Troubleshooting