What Advantages Do We Have? 40% More Page Yield! More printing, lower cost. Compatible Printer Models: Color Pro M252dw (B4A22A) Color Pro M252n (B4A21A) Color Pro MFP M277n (B3Q10A) Color Pro MFP M277dw (B3Q11A) Color Pro MFP M277c6 (B3Q17A) Color Pro MFP M274n (M6D61A) Details and accuracy: High-end toner cartridges can manage complicated image rendering. Every single bit of spark will reappear in print work. True Colors Await: Adhesive toner powder, resistant to color fading of all kinds. Premium materials: Premium materials ensure high compatibility and reliable performance. Exceptional Performance: Printing out Bright Color and Bold black Texts, Graphics and Photos provides you with high quality and satisfactory Toner cartridge for home printer or office printer. Get reliable printing performance, at a fair price: Our cartridges are tested to ensure consistent, quality prints that match the image text seen on one's printer both at the component level and with print tests. Factory Standards: This replacement toner cartridge is built to ISO9001 and ISO14001 Factory Standards. All toner cartridges are engineered to produce superb results. After-Sale Service: If you have any problems, please feel free to email us. We will provide you with a 100% satisfactory solution.