This is a compatible replacement for the Samsung CLP-K660B (CLPK660B) high capacity black laser toner cartridge guaranteed to perform with your Samsung CLP-660 laser printer. It replaces the original Samsung CLP-K660B laser toner cartridge. The compatible replacements for the CLP-K660B laser toner cartridges and supplies (also known as generic) are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards for the CLPK660B and offer high-quality printing results. Containing new and used parts, including a new smart chip, they are an economical alternatives to expensive OEM CLPK660B Samsung laser toner cartridges and supplies, and offer big savings over brand-name CLP-K660B laser toner cartridges and supplies. While most competitors simply refill the toner cartridge and hope the drum and other key components last we fully disassemble the toner cartridge and rebuild it to ensure the highest quality prints. We directly import these compatible LD Products replacements for CLP-K660B / CLPK660B laser toner cartridges from an ISO-9001 certified factory in Korea just like the genuine Samsung toners. Since we import ourselves we can pass the savings on to you. The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty.We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible alternatives to CLP-K660B laser toner cartridges and supplies. For use in the following printers: CLP Series CLP-610ND, CLX Series CLX-6200FX, CLX Series CLX-6240FX, CLX Series CLX-6210FX, CLX Series CLX-6200ND, CLP Series CLP-660ND, CLP Series CLP-660N. LD Products is the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.