These printers use the MX-C30NTM cartridge:
Click On a Printer to View it's Cartridges
Sharp MX C-250
Sharp MX C-300
Sharp MX C-300 P
Sharp MX C-300 W
Sharp MX C-301 W
Sharp MX C-303 W
Sharp MX C-303 WH
Sharp MX C-304 W
Sharp MX C-304 WH