Remanufactured replacement for the Samsung MLT-D307S black laser toner cartridge, delivering a yield of up to 7,000 pages. This cartridge is designed to perform reliably with Samsung ML-4512ND, ML-5012ND, and ML-5017ND laser printers. Constructed with a combination of new and used parts, including a new smart chip, it provides a cost-effective alternative to original Samsung toner cartridges. The use of remanufactured cartridges does not void your printer's warranty, and it is backed by our 100% Quality Satisfaction Guarantee.