For use in Canon laser copiers: 5000, 5500, 7000 7100, 7500, 7700, Canon Fax L-5000, L-5500, and L-7000 FX-2 Canon Fax cartridge. Use with Laser Quest 5000 facsimile, and compatibles. 4,000 Yield. Manufactured in the U.S. We guarantee this cartridge to meet or exceed the performance of the OEM replacement cartridge under normal use and conditions.