Premium L0R89AN (HP 972A) High Yield Magenta Pagewide Inkjet Cartridge 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.
Premium L0R92AN (HP 972A) High Yield Yellow Pagewide Inkjet Cartridge 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.