Laser fax cartridge for Canon L800, L900 fax machines. The FX4 cartridge will produce approximately 4,000 pages at 5% coverage of A4. Canon genuine laser fax cartridges provide best performance in Canon fax machines.Compatible Printers: Canon Laser Class 9000, Canon Laser Class 9000 MS, Canon Laser Class 9500, Canon Laser Class 8500, Canon Laser Class 9500 MS, Canon Laser Class 9000 S, Canon Laser Class 9000 Series, Canon Fax L 900, Canon Laser Class 9000 L, Canon Laser Class 9500 S, Canon Laser Class 9500 Series, Canon Fax L 800
