What Advantages do We Have? 40% More Page Yield! More printing,Lower cost. Compatible Printer Models: Pro 400 M401dn Pro 400 M401dne Pro 400 M401dw Pro 400 M401n Pro 400 M425dw Pro 400 MFP M425dn Details and Accuracy: High-end toner cartridges can manage complicated image rendering. Every single bit of spark will reappear on print work. True Colors Await: Adhesive toner powder, resistant to color fading of all kinds. Premium materials: Premium materials ensures high compatibility and reliable performance. Exceptional Performance: Printing out Bright Color and Bold black Texts,Graphics and Photos provides you 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 problem, please feel free to email to us, We will provide you with a 100% satisfactory solution.