This is a compatible replacement for the Samsung MLT-D104S (MLTD104S) black laser toner cartridge guaranteed to perform with your Samsung ML-1665 laser printer. It replaces the original Samsung MLT-D104S laser toner cartridge. The compatible replacements for the MLT-D104S 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 MLTD104S and offer high-quality printing results. Manufactured brand new, they are economical alternatives to expensive OEM MLTD104S Samsung laser toner cartridges and supplies, and offer big savings over brand-name MLT-D104S laser toner cartridges and supplies. The use of compatible replacement laser toner cartridges and supplies does not void your printer’s warranty.We offer a 100% Quality Satisfaction Guarantee on our compatible alternatives to MLT-D104S laser toner cartridges and supplies.