MFC-5490CN FAQs & Troubleshooting MFC-5490CN Not your product? Sort by: Updated Date Popularity 2 Results 1. 24/05/2011 Why are the faxes I send always received with a black vertical line down the page? 2. 24/04/2009 When I print, the pages are smudged with ink. What should I do? Fax FAQs & Troubleshooting