Our remanufactured high capacity black laser toner cartridge replacement for Samsung ML-D4550B MLD4550B for use in the Samsung ML-4050, ML-4550 and ML-4551 printers offers brilliant, professional vibrant output. Our alternative to the ML-D4550B laser toner cartridge is truer, more saturated and remarkably consistent, page after page, on virtually any media. Our cartridge for use in your Samsung ML-4050, ML-4550 or ML-4551 printer is incredibly priced to give you the competitive edge of color for about the cost of a black-only network printer. Full page color at high print speeds means youre never kept waiting for even the largest jobs to print. 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-D4550B / MLD4550B laser toner cartridges from an ISO-9001 certified factory in Korea just like the genuine Samsung toners. These low cost remaufactured alternatives for your ML-4050, ML-4550 or ML-4551 are priced about 60-40% less than Samsung OEM brand ML-D4550B laser toner cartridges. Why pay more for OEM Samsung when our remaufactured alternatives are guaranteed to print just as beautifully? We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible replacements for ML-D4550B laser toner cartridges and supplies. For use in the following printers ML Printers ML-4551NDR, ML Printers ML-4551N, ML Printers ML-4050N, ML Printers ML-4550.