Depend on Original HP 42A Toner Cartridges designed specifically for your HP printer.
HP 42A (Q5942A) Toner Cartridge, Black
HP 42A Q5942A MICR Toner Cartridge
HP 42A Black Toner Cartridge, Works with HP LaserJet 4240, 4250, 4350 Series
Keep your office running smoothly with HP 42A Black toner cartridge (Q5942A). It's reliable and prints at high speed for maximum efficiency. It also
Q5942A | HP 42A | Original HP Toner Cartridge - Black
HP 42A Black Toner Cartridge 10K Pages for HP LaserJet 4240 4250 4350 Q5942A NEW
HP 42A Black Toner Cartridge Q5942A - Office Depot
HP 42A Black Remanufactured Toner Cartridge (Q5942A)- Ink Hero
HP 42A Black Toner Cartridge (Q5942A) - Compatible
Q5942A 42A Toner Cartridge Compatible With HP LaserJet 4250 4250dtn 4250tn 4350n
HP 42A Black Replacement Toner Cartridge - Monroe Systems for Business