• Toner cartridge delivers sharp detail and consistent gray scale for charts and graphs so you get business-quality results on a wide range of laser papers • Make an impact with professional-quality, black-and-white documents and crisp, black text • Keep printing costs low while maintaining productivity • HP toner cartridges deliver consistent, uninterrupted printing • Because cartridges are designed for exceptional reliability, you avoid wasted supplies and expensive delays • Replacement cartridge is quick and easy to install • Cartridge is designed for use with Hewlett-Packard LaserJet Printers M401n, M401dn, M401dw, and M425dn