The remanufactured replacement for the Samsung MLT-D307E black laser toner cartridge guaranteed to perform with your Samsung laser printer. It replaces the original Samsung 307 (MLT-D307E/XAA) laser toner cartridge. Remanufactured replacements for the MLT-D307E laser toner cartridge are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards and offer high-quality printing results. The use of remanufactured replacement laser toner cartridges and supplies does not void your printer's warranty. We offer a 100% Quality Satisfaction Guarantee on our remanufactured alternatives to MLT-D307E laser toner cartridges.