Compatible for HP Color Laser jet Pro MFP M479fdw , MFP M479fdn , MFP M479dw , M454dw , M454dn , Enterprise M455dn , Enterprise MFP M480f , M479 M454 Series Printers. Package contents:10 Pack W2020X Black Toner Cartridgereplacement + Instruction Manual. Page Yield: Up to 7,500 pages per W2020X black toner cartridge (based on 5% coverage of Letter size Paper). Print quality: greencycle 414X W2020X toner cartridge uses fine toner powder and intelligent chip that automatically adjusts color to ensure vibrant prints, delivering lifelike colors and outputting clear, eye-catching text and graphics that make your presentations and printouts stand out. Ease of installation: our products have the same compatibility as the original, easy to install, recognized by printers quickly. This can improve work efficiency.