MFC-8860DN FAQs & Troubleshooting MFC-8860DN Not your product? Sort by: Updated Date Popularity 1 Results 1. 22/09/2011 Why is the error message "Unable to Scan" displayed on the LCD when I try the 2-sided(duplex) copy, 2-sided(duplex) scan or fax send of a legal size document? Copy FAQs & Troubleshooting