Compatibility: Color LaserJet 4500/4550 Series Approximate page yield: 100,000 approximate pages 50,000 approximate pages *Based on 5% coverage Features: HP Ultraprecise Spherical Color Toner is chemically grown for uniform particles and consistent color. Industry-leading low cost-per-page for full color output. Industry-leading low cost-per-page for full color outputMore details about product HP C4197A Color LaserJet 110V Fuser Kit