Laser Tek Services&reg; 4 Pack Replacement Samsung CLP-660B High Yield Toner Cartridges (CLP-K660B, CLP-C660B, CLP-M660B, CLP-Y660B) for the Samsung CLP-610ND, CLP-660N, CLP-660ND, CLX-6200FX, CLX-6200ND, CLX-6210FX, CLX-6240DFX Package contains 1 Black CLP-K660B, 1 Cyan CLP-C660B, 1 Magenta CLP-M660B, and 1 Yellow CLP-Y660B High Yield Replacement Toner Cartridges For use in the following priner models: Samsung CLP-610ND, CLP-660N, CLP-660ND, CLX-6200FX, CLX-6200ND, CLX-6210FX, CLX-6240DFX Page Yield: 5,500 pages for black and 5,000 pages for colors @ 5% page coverage Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty.