Products › Sharp MXC50TB Black Toner Cartridge Image 1 of 1 Sharp MXC50TB Black Toner Cartridge $0.00 Genuine Sharp MXC50TB Black Toner Cartridge, rated for approx. 20,000 pages.Compatible printers:Sharp MX-C407FSharp MX-C507F Add To Cart Added! Genuine Sharp MXC50TB Black Toner Cartridge, rated for approx. 20,000 pages.Compatible printers:Sharp MX-C407FSharp MX-C507F