Package Contents: 1 pack B5L37A B5L37-67901 Toner Collection Unit
Compatible for Printers: Works with Color M552 M553 M554 M577 printer
High Page Yield: 54000 pages for per black toner cartridge at 5% coverage of A4 paper
Features: Easy to install; excellent durability and stability; Saving you money, protect your printer
Customer Support: We are committed to providing customers with a better experience. If you have any issues, you can contact us on amazon platform: "Your Account", clicking "Your Orders," selecting "Contact Seller". We will response you within 12 hours
