Package Contents: 1-Pack DR-620 Black Drum Unit. Compatible Printer Models: HL-5240 Printer HL-5270DN Printer HL-5280DW Printer HL-5380DN Printer HL-5370DW/DWT Printer HL-5250DN/DNT Printer HL-5350DN/DNLT Printer MFC-8370 Printer MFC-8460N Printer MFC-8470DN Printer MFC-8480DN Printer MFC-8660DN Printer MFC-8670DN Printer MFC-8680DN Printer MFC-8690DN Printer MFC-8860DN Printer MFC-8870DW Printer MFC-8880DN Printer MFC-8890DW Printer DCP-8060 Printer DCP-8065DN Printer DCP-8080DN Printer The latest upgraded chip: Adapt to the latest upgraded chips that can be quickly identified, ensure higher compatibility and provide a lasting printing experience with excellent performance! Printing Performance: Our DR-420 Drum Units are made of high-quality carbon powder nano-level manufacturing process, with firm fixing, high blackness, non-toxic and harmless, bringing users a good experience. Aftersales and Warranty: If any of our items are defective, guaranteed money back; reach us via: 1. “Order List” -> Click “Contact Seller”. 2. Click the store name link under “Add to Cart”-> Click “Ask a question”.