Rosewill RTCA-S35 Replacement for Canon S35, FX8 Toner Cartridge, Black (Pack of 40) Cartridge Color: Black Compatible Products: Canon FAX L360, L380, L380S, L390, L400, FAXPHONE L170, imageCLASS D320, D340, 310, Laser Class 510, PC-D320, PC-D340 Approximate Page Yield: 3500 Pages