The remanufacturing of toner cartridges like the Samsung 307 not only keeps the running costs of your printer down, but helps you keep your printing habit environmentally friendly too. This eco-friendly process involved the reusing and recycling of much of the genuine Samsung MLT-D307S/ELS. Whatever cannot be reused is replaced with quality compatible parts designed to work flawlessly with the rest of the Samsung 307 to retain print quality.As the remanufactured version of Samsungs`s MLTD307S toner cartridges are built to the same specifications, you can expect the same 7,000 page yield and compatibility with all the same great printers including the Samsung ML-5015ND.