LD Products offers low priced compatible alternatives to Samsung OEM laser toner cartridges compatible with the Samsung ML-4512ND. Our compatible replacements are manufactured to the highest performance and quality standards, delivering optimal prints when used in your Samsung ML-4512ND. Our compatible alternative cartridges are not Samsung OEM cartridges, they are non-OEM products that are 100% new and have no affiliation with Samsung*. Purchasing our compatible laser toner cartridge alternatives for your Samsung ML-4512ND is an excellent way to save money without sacrificing quality. Our alternative compatible laser toner cartridges for the Samsung ML-4512ND have a 'Lifetime Guarantee'. The use of our compatible replacement laser toner cartridges for the Samsung ML-4512ND does not void your printer's warranty. OEM laser toner cartridges and drum unit are also available for your Samsung ML-4512ND printer.