Get true HP LaserJet print quality with the microfine toner formula and toner cartridge technology in the HP 43X LaserJet Toner Cartridge. HP delivers sharp black text and consistent, professional results for as long as the cartridge lasts.

Smooth microfine toner particles produce true HP LaserJet print quality—clear, sharp text characters, smooth grayscales, and deep blacks. Consistent toner particle size enables accurate placement and control while maximizing the efficiency of how toner is used. Continuous improvements to HP toner formulas enable reliable, high-quality results at a broad range of print speeds. With genuine HP toner, you get the most out of your HP toner cartridge and your HP printer.

HP Smart Printing technology in the toner cartridge and your printer continuously tunes toner particle charge for accurate, consistent results. (Using genuine HP supplies ensures availability of all HP printing features.)

HP toner cartridges are designed for efficient usage and time-saving operation. HP Smart technology in the cartridge and your printer estimates how many pages can be printed with the supplies remaining to ensure your print job is successfully completed. (Using genuine HP supplies ensures availability of all HP printing features.)