MFC-L3750CDW FAQs & Troubleshooting MFC-L3750CDW Not your product? Sort by: Updated Date Popularity 6 Results 1. 08.01.2019 Clean the Machine 2. 20.12.2018 Clean the LED Heads 3. 20.12.2018 Clean the Paper Pick-up Rollers 4. 20.12.2018 Clean the Drum Unit 5. 20.12.2018 Clean the Scanner 6. 20.12.2018 Clean the Corona Wires Cleaning FAQs & Troubleshooting