FAQs & Troubleshooting FAQ Search Results MFC-J6940DW Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faq00002541_539 Clean the Paper Pick-up Rollers for Paper Tray #1 2.faq00002541_540 Clean the Paper Pick-up Rollers for Paper Tray #2 and Paper Tray #3 FAQs & Troubleshooting