Print professional-quality reports, letters and invoices with ease using this HP Original LaserJet Toner Cartridge. Intelligence built into the toner cartridge helps to optimize print quality and reliability. Toner produces bold, crisp text and sharp images in your HP LaserJet P1606dn and P1566. The smaller cartridge and efficient toner use allow a small printer footprint. Install in a snap with HP’s all-in-one cartridge design that makes replacing a toner cartridge quick and easy. Cartridge yields approximately 2,100 pages.