FAX-1860C FAQs & Troubleshooting FAX-1860C Not your product? Sort by: Updated Date Popularity 3 Results 1. 05/11/2015 When I print, the pages are smudged with ink. What should I do? 2. 05/11/2015 Why are the faxes I send always received with a black vertical line down the page? 3. 01/27/2014 One or more of my colors are not printing (blank). What can I do? Fax FAQs & Troubleshooting