This is a remanufactured replacement for the Samsung ML-2550DA (ML2550DA) black laser toner cartridge guaranteed to perform with your Samsung ML-2550, ML-2151 or ML-2552 laser printer. It replaces the original Samsung ML-2550DA laser toner cartridge. The remanufactured replacements for the ML-2550DA 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 ML-2550DA and offer high-quality printing results. Containing new and used parts, including a new smart chip, they are an economical alternatives to expensive OEM ML-2550DA Samsung laser toner cartridges and supplies, and offer big savings over brand-name ML-2550DA 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 remanufactured LD Products replacements for ML-2550DA/ ML2550DA 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 remanufactured replacement laser toner cartridges and supplies does not void your printers warranty. We offer a Two Year 100% Quality Satisfaction Guarantee on our remanufactured alternatives to ML-2550DA laser toner cartridges and supplies. For use in the following printers: ML Printers ML-2552W, ML Printers ML-2551N, ML Printers ML-2550. We are the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.