LCL Compatible Toner Cartridge Replacement for Lexmark 60F1000 (4-Pack Black) Page yield: 2,500 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: Lexmark MX310dn MX410de MX510de MX511dte MX511dhe MX511de MX610dw MX611de MX611dhe MX611dte