This genuine black Samsung MLT-R709 imaging unit is designed to maximise the performance of the laser printer. The Samsung MLT-R709/SEE black drum is carefully manufactured for high reliability and resiliency, so black text and images can accurately be created by the laser printer. Replacing a worn or damaged unit with a genuine Samsung MLTR709 drum unit won\'t make the warranty of the printer void. Doing so also guarantees superb performance and longevity for your device. As an important piece of maintenance equipment, this black Samsung R709 laser imaging drum can extend the life of your Samsung printer for another 100, 000 prints.