PREMIUM QULAITY OF HP GENUINE MAGENTA TONER CARTRIDGES YIELDING 900 PAGES. COMPATIBLE PRINTERS (IF ANY): HP OFFICEJET PRO L7380,HP OFFICEJET PRO L7580,HP OFFICEJET PRO L7590,HP OFFICEJET PRO K5300,HP OFFICEJET PRO K5400,HP OFFICEJET PRO K5400DN,HP OFFICEJET PRO K5400DTN,HP OFFICEJET PRO K8600,HP OFFICEJET PRO K8600DN