High-yield toner cartridge is specifically designed for use with Samsung ML-5512ND and ML-6512ND. You'll get first-rate print quality with crisp, vibrant output from the first page to the last. They're easy to install and deliver sharp, professional results every time you print. Samsung's Polymerized Toner is made of smaller, more uniform toner particles than traditional toner, and produces sharper and crisper images. Higher wax content protects printouts against folds and smudges better. The lower fusing temperature helps reduce power consumption. Cartridge yields approximately 30,000 pages.