Product Name: Compatible With CE255X Toner Cartridge Package Included: (2 Pack, 2 x Black) CE255X Black Laser Toner Cartridge Compatible for: Laser-Jet Enterprise 500 MFP M525c M525f M525dn P3015n P3015d P3015dn P3015x Flow M525c M521dn M521dw Printer High Page Yield: Black Up to 12,500 pages per cartridge at 5% coverage Sharp & Non-Fading Printouts: Using refined spherical toner to print laser-quality text and true-to-life photos Non-fading for years Excellent for hospitals, schools, government, trading companies, finance companies and more scenarios After-sales service: Any questions about the product can be contacted by email at any time