MFC-5840CN FAQs & Troubleshooting MFC-5840CN Not your product? Sort by: Updated Date Popularity 2 Results 1. 24/08/2006 Can I reduce the size of a received fax on this machine? 2. 22/08/2006 Can I still receive faxes or calls when the machine is switched off? English Fax FAQs & Troubleshooting