HL-3140CW FAQs & Troubleshooting HL-3140CW Not your product? Sort by: Updated Date Popularity 2 Results 1. 07/14/2015 Printing on plain paper, thin paper, recycled paper or bond paper from the Manual feed slot (video instructions available) 2. 07/09/2015 Clean the corona wire (video instructions available) Video FAQs FAQs & Troubleshooting