MFC-L8850CDW FAQs & Troubleshooting MFC-L8850CDW Not your product? Sort by: Updated Date Popularity 5 Results 1. 20/12/2018 Clean the paper pick-up roller 2. 20/12/2018 Clean the drum unit 3. 20/12/2018 Clean the laser scanner windows. 4. 20/12/2018 Clean the scanner glass 5. 20/12/2018 Clean the corona wire Cleaning FAQs & Troubleshooting