Get the best results from your HP printing system. HP Smart technology and chemically-grown toner formulas in HP 645A LaserJet Toner Cartridges work with your printer to deliver accurate, consistent colour and reliable, cost-effective performance.
Get consistently accurate colour and precise images with HP chemically-grown toner.Optimal print quality with new image mode feature.
Cost-effective operation with all-in-one HP toner cartridges.HP Smart technology tunes particle charge for reliable results.Rated A+ for service and reliability, PC Magazine August 2003.
Easy to use
Easy to use automatic alerts, on-line ordering with HP Smart printing technology.When a color cartridge runs out, continue printing with the black cartridge.Easy to use and install with HP Smart printing technology.
HP 645A - magenta - original - LaserJet - toner cartridge (C9733A)