FAX-2440C FAQs & Troubleshooting FAX-2440C Not your product? Sort by: Updated Date Popularity 3 Results 1. 01/28/2013 The keys on the control panel do not respond. 2. 10/21/2010 How do I clear Machine Error 46? 3. 06/26/2007 Why does my computer become unresponsive when using the USB interface to connect the Brother machine? Others FAQs & Troubleshooting