Make a professional impact by printing rich text documents and marketing materials. HP 305X toner cartridge is designed for use with Hewlett-Packard LaserJet Pro 300 Color M375nw MFP; 400 color M451nw, M451dn, M451dw, M475dn MFP, and M475dw MFP. Original HP LaserJet toner delivers crisp black text and grayscale graphics for business-quality results on a wide range of laser papers. Keep printing costs low while maintaining productivity. Because cartridges deliver exceptional reliability and consistent, uninterrupted printing, you avoid wasted supplies and expensive delays. HP's all-in-one cartridge design makes replacement quick and easy. High-yield cartridge yields approximately 4,000 pages.