Compatible with: Dell Color Laser C2660dn Printers & Dell Color Laser C2665dnf Printers Compatible Replacements Included: (5) 593-BBBU Extra High Yield Black Toners Delivers 6,000 pages just like the original EHY Black BBBU compatible toner cartridge Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page