4 pezzi chip ARC per HP 972X 973X 974X 975X per HP 377dw 452dn 477dw 577 P55250dw
For HP 972X / 973X / 974X / 975X. For HP PageWide Pro 377dw. For HP PageWide Pro 452dn (D3Q15A#B1H). For HP PageWide Pro 477dw Multifunction (D3Q20A#B1H). For HP PageWide Pro P55250dw. Chip Model (This is a universal chip).