The HP LaserJet Pro 400 Color M451dn printer uses either the standard yield CE410A, CE411A, CE412A, CE413A (HP 305A) or the high yield CE410X (HP 305X) laser toner cartridge. Toner Refill Store's premium toner cartridges are 100% guaranteed to meet or exceed your expectations and surpass the print quality of the OEM (Original Equipment Manufacturer) HP LaserJet Pro 400 Color M451dn. We also carry numerous compatible and remanufactured HP inkjet cartridges. This HP Printer uses either a High Yield cartridge or Standard Yield cartridge. The High Yield cartridge will have an 'X' and the standard yield an 'A' at the end of the cartridge number. Toner Refill Store carries both the High Yield toner cartridges and toner refills for the CE410X and the Standard Yield toner cartridges and toner refills for the CE410A, CE411A, CE412A, CE413A. Our HP LaserJet Pro 400 Color M451dn high yield laser toner cartridges have a 'One Year 100% Satisfaction Guarantee'. The use of our premium compatible laser toner cartridges for the HP LaserJet Pro 400 Color M451dn does not void your printer's warranty.