HP F6T80AN (HP 972A) High Yield Black is designed to perform in the HP PageWide 377dw; PageWide Pro 300, 400, 452dw, 477dn, 477dw, 500, 552dw, 577dw, 577z
Premium F6T80AN (HP 972A) High Yield Black fully compatible with the HP PageWide 377dw; PageWide Pro 300, 400, 452dw, 477dn, 477dw, 500, 552dw, 577dw, 577z. The use of compatible supplies does not void your printer warranty.
