These printers use the MX-51NTMA cartridge:
Click On a Printer to View it's Cartridges
Sharp MX 4110 N
Sharp MX 4111 N
Sharp MX 4112 N
Sharp MX 4140 N
Sharp MX 4140 NSF
Sharp MX 4141 N
Sharp MX 4141 NSF
Sharp MX 5110 N
Sharp MX 5111 N
Sharp MX 5112 N
Sharp MX 5140 N
Sharp MX 5141 N