Remanufactured replacement for the Samsung MLT-D303E black laser toner cartridge, designed for use with the Samsung ProXpress M4580FX laser printer. This cartridge is constructed using both new and used parts, including a new smart chip, ensuring reliable performance and high-quality print results. It serves as an economical alternative to expensive Samsung toner cartridges, providing exceptional yields while maintaining quality standards. The use of remanufactured toner cartridges does not void your printer's warranty, and we back this product with a 100% Quality Satisfaction Guarantee.