HP 645A Toner Cartridges are compatible with Color LaserJet 5500/5550 printer series. This kind of cartridge has very low maintenance, and it is simple to install for smooth printing. Original HP toners undergo several tests with expected outcomes for quality purposes. The printers with black ink are usually more in common use than other toner cartridges. It is generated to ensure the proper working with every cartridge and printer, and you don't need to fret about leaks, faults, smudges. The HP Smart technology makes automatic modifications to optimize print quality and increase reliability. HP 645A LaserJet Toner Cartridges produce efficient color and images with HP chemical toner formula. The cartridge is tested numerous times to print crucial documents for long-term durability. Select the reliable, steady HP 645A Black hp Original LaserJet Toner Cartridge C9730A and avoid wasting time and money on cartridge defects and reprinting. Avail HP 645A Toner Cartridges for the sharpest and clear text print quality.