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 color and reliable, cost-effective performance

Accurate color, precise image reproduction and crisp,

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 color and reliable, cost-effective performance

Accurate color, precise image reproduction and crisp, sharp text every time you print Chemically-grown toner and HP Smart printing system technology 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 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 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 Color of print cartridges: Yellow Print technology: Laser Page yield (color): 12,000 Pages