GREENCYCLE 4 PK Compatible Black Laser Toner Cartridges CE278A 78A for HP Laserjet P1606dn P1566 Full 1 year warranty against manufacturer defects and print quality. Compatible new toner cartridge unconditionally guaranteed to provide same performance and reliability as genuine cartridge. Yield: Up to 2,100 per black toner cartridge at 5% coverage (Letter/A4) Actual toner yield varies with usage, graphics printed and environmental conditions. Compatible Printer below: LaserJet Pro P1606dn Printer, LaserJet Pro P1566 printer, LaserJet Pro P1560 printer, LaserJet Pro M1536dnf printer, LaserJet Pro P1600 printer Make your presentations and printouts stand out with this premium-grade toner that produces crisp, bold, and eye-catching text and graphics that ensure that people stay awake at your next meeting.