PREMIUM QULAITY OF HP GENUINE YELLOW TONER CARTRIDGES YIELDING 1,540 PAGES. COMPATIBLE PRINTERS (IF ANY): HP OFFICEJET PRO K550,HP OFFICEJET PRO K550DTN,HP OFFICEJET PRO K5400DN,HP OFFICEJET PRO K5400DTN,HP OFFICEJET PRO K8600,HP OFFICEJET PRO K8600DN,HP OFFICEJET PRO L7580,HP OFFICEJET PRO L7590