Compatible with: Dell Color Laser C2660dn Printers & Dell Color Laser C2665dnf Printers Compatible Replacements Included: (1) 593-BBBU (67H2T) Black, (1) 593-BBBT (TW3NN) Cyan, (1) 593-BBBS (V4TG6) Magenta, (1) 593-BBBR (2K1VC) Yellow Delivers 6,000 pages just like the original black compatible toner cartridge & 4,000 just like the original color toner Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) Great Quality Equivalent Results to Dell C2660dn Toners Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.