View cart “[B4H1 QUAD] Super Easy Drum Reset Chip for OKI 44574301 Drum unit. Compatible for B411, B411d, B431, B431d, MB461, MB471, MB491 (Quad Pack)[B4H1 QUAD] Super Easy Drum Reset Chip for OKI 44574301 Drum unit. Compatible for B411, B411d, B431, B431d, MB461, MB471, MB491 (Quad Pack)” has been added to your cart.