This remanufactured Samsung MLT-D307E/ELS gives the same page yield as the original and also maintains compatibility with all the same printers.A remanufactured Samsung MLT-D307E toner is one that has been produced using parts of an empty original cartridge and generally a few compatible components too. The resulting hybrid of old an new in the remanufactured 307E, gives you the freshness of a new cartridge and the quality that results from Samsung`s engineering.