Linkyo replacement for HP 81A CF281A and HP 81X CF281X toner cartridges is compatible with HP LaserJet Enterprise M606x Printer. The Printing output of HP 81A CF281A toner cartridges have an estimated yield of 10,500 pages (based on 5% coverage). HP 81X CF281X High Capacity toner cartridge from Linkyo has a sharp, crisp print quality of 25,000 pages while costing 70% less than original HP toner cartridges.