DCP-C421W FAQs & Troubleshooting DCP-C421W Not your product? Sort by: Updated Date Popularity 4 Results 1. 19/12/2022 One or more of my colors are not printing (blank). 2. 19/12/2022 Improve poor print quality. 3. 13/05/2022 Check the Print Alignment from Your Brother Machine 4. 13/05/2022 Check the Print Quality Print FAQs & Troubleshooting