Speedy Inks Compatible Toner for HP 42X High Yield (Black) — 4-Pack

What’s included: Four (4) compatible replacement toner cartridges — HP 42X High Yield (Black). Compatible with: HP LaserJet 4250, HP LaserJet 4250dtn, HP LaserJet 4250tn, HP LaserJet 4250n, HP LaserJet 4250dtnsl, HP LaserJet 4350, HP LaserJet 4350dtn, HP LaserJet 4350dtnsl, HP LaserJet 4350n, HP LaserJet 4350tn. Page yield: 20,000 per cartridge. This is the average printer cartridge Page Yield in accordance with ISO 19752, measured at 5% coverage (ISO/IEC standard). Storage & shelf life: For best results, keep cartridges in a cool, dry place. Use within 3 years of purchase for optimal performance. Color: Black. If you experience any problems with your order, please contact us first — we want every customer to be satisfied because happiness matters.