The right choice of cartridges is critical for the grade and clarity of printed materials. The quality of your output depends not only on the printer itself, but on the paper and cartridges used. Use genuine Canon inks and toners to experience exceptional performance! For use with Canon L1000 LaserFax.Compatible Printers: Canon Fax L 1000, Canon Laser Class 3170 MS, Canon Laser Class 3170, Canon Laser Class 3175, Canon Powerfax L 1000, Canon Laser Class 3175 MS, Canon Laser Class 3100 Series