| HP 42X Black Smart Print Cartridge (Yield 20,000) for LaserJet 4250, 4350 Printers Get the best results out of your HP printing system. HP Smart technology and chemically-grown toner formulas in HP colour LaserJet print cartridges work with your printer to deliver accurate, consistent colour and reliable, cost-effective performance. Accurate colour, 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. 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. Enjoy convenient, on-line ordering.
- Using genuine HP supplies ensures availability of all HP printing features
- HP's advanced toner formulation provides extra sharp black text and smooth greyscales. HP Smart printing technology allows automatic adjustments ensuring consistent toner particle distribution throughout the life of the cartridge for best results
- Reliable performance: Precise matching of HP print cartridge design, toner and printing process components guarantees a consistently reliable performance and time saving operations, underpinned by rigorous quality testing and HP warranty
- Enjoy low maintenance, trouble-free printing. HP Smart technology in the print cartridge and your printer makes HP supplies easy to install and maintain. Receive automatic alerts when a cartridge is low or out
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