- Fits: HP LaserJet Printers: 4240n, 4250, 4250n, 4250tn, 4250dtn, 4250dtnsl, 4350n, 4350tn, 4350dtn, 4350dtnsl
The LaserJet 42A Black Toner Cartridge from HP/Hewlett-Packard keeps your tones consistent when printing large quantities. Smart printing technology provides dependable, uniform results during the entire life of the cartridge. SureSupply technology alerts you when the toner is running low. Keep your prints sharp and consistent, even at high
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