Inktoneram Compatible Toner Cartridges Replacement for Dell C2660dn / C2665dnf 593-BBBU 593-BBBT 593-BBBS 593-BBBR High Yield ([Black,Cyan,Magenta,Yellow], 4-Pack) This package contains: 4 Inktoneram Replacement toner cartridges to replace Dell C2660dn C2665dnf Toner Cartridges ( 1 Black, 1 Cyan, 1 Magenta, 1 Yellow ) . (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : BLACK (593-BBBU RD80W 67H2T 593-BBBM KWJ3T HD47M 593-BBBQ Y5CW4 3070F), CYAN (593-BBBT 488NH TW3NN 593-BBBN TXM5D V1620), MAGENTA (593-BBBS VXCWK V4TG6 593-BBBP FXKGW GP3M4), YELLOW ( 593-BBBR YR3W3 2K1VC 593-BBBO RP5V1 R9PYX) Page Yield : 6,000 Pages / Black and 4,000 Pages / Color Cartridge at 5% coverage Printer Compatibility: Dell C2660dn C2665dnf Warranty: Our Compatible Inktoneram Replacement toner cartridges to replace Dell C2660dn C2665dnf cartridges are manufactured under strict ISO-9001 standards. They are excellent economical alternatives to the high-cost OEM cartridges. These cost-effective toner cartridges will provide high quality prints that meet OEM standards and are guaranteed against defect. Our compatible Replacement toner cartridges to replace Dell C2660dn C2665dnf cartridges come with a 90 day 100% money back guarantee.