HP 42A - Black - original - LaserJet - toner cartridge (Q5942A) - for LaserJet 4240, 4250, 4350

Work smart. The legendary quality and reliability of HP is built into this HP LaserJet Print Cartridge, delivering professional print quality and excellent value to your business. Reliable performance means less user intervention and more productivity. To ensure consistently outstanding results, HP LaserJet print cartridges and printers are designed together. Interactive HP Smart Print technology makes automatic adjustments to optimize print quality and enhance reliability. HP's microfine toner provides highly accurate placement and control to ensure consistently sharp text and smooth grayscales. (Using genuine HP supplies ensures availability of all HP printing features.) HP Smart Print technology and the all-in-one cartridge design make HP supplies easy to use and maintain, saving you time and lowering overall printing costs. Receive automatic alerts when a cartridge is low or out.