HP 645A Black Toner Cartridge | C9730A

Accurate color, precise image reproduction and crisp, sharp text every time you print. Chemically-grown toner and HP Smart printing system technology[1] deliver consistent results and reliable performance throughout the life of the cartridge. Save time with all-in-one HP 645A LaserJet supplies. HP Smart technology[1] makes automatic adjustments to optimize print quality and enhance reliability. Minimal user intervention saves time, improves productivity and lowers overall printing costs. Enjoy low maintenance, trouble-free printing. HP Smart technology[1] in the toner cartridge and your printer makes HP supplies easy to install and maintain. Receive automatic alerts when a cartridge is low or out. Enjoy convenient, on-line ordering.