Compatible with Dell printers: Color Laser C2660dn, Color Laser C2665dnf Compatible Replacements Included: (1) 593-BBBT High Yield Dell C2660dn cyan toner Deliver pages just like the Dell 2660DN compatible toner cartridges Page Yield*: 4000* Pages. *at 5% coverage (ISO/IEC standard) All LD branded remanufactured Dell printer ink products contain a toner management computer chip system that work well with your printer Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.