LCL Compatible Toner Cartridge Replacement for Brother TN580 TN-580 TN550 TN-550 8000 Pages (1-Pack Black) Page yield: 8,000 Pages at 5% Coverage (Letter /A4) Easy to install;High capacity;Long term supplies. Condition: Our compatible cartridges from ISO 9001/14001; STMC; CE; ROHS Certified factory. 100% satisfaction guarantee: 24-month warranty and 36-month shelf life. For use in the following:Brother HL-5240/5250DN/5280/DCP-8060/8065/MFC8460DN/8470/8860DN/8670/8860/8870