HP 646X Remanufactured Toner Alternative to HP Home / Remanufactured / Compatible / HP Remanufactured / Compatible / HP 646X Remanufactured Toner Alternative to HP Categories: HP Remanufactured / Compatible, Original Laser Toner Cartridge, Remanufactured / Compatible Description Description Compatible with Colour LaserJet Enterprise CM4540 MFP, Colour LaserJet Enterprise CM4540f MFP, Colour LaserJet Enterprise CM4540fskm MFP. Page yield of 17,000 pages. Related products HP 05A (CE505A) Black Original LaserJet Toner Cartridge $175.00 HP LaserJet 98A Black Toner Cartridge $164.00