MX-51NTBA, MX-51NTCA, MX-51NTMA, MX-51NTYA 4-Pack, Compatible. For models MX-4110N, MX-4111N, MX-4140N, MX-4141N, MX-5110N, MX-5111N, MX-5140N, MX-5141N

For models: MX-4110N, MX-4111N, MX-4140N, MX-4141N, MX-5110N, MX-5111N, MX-5140N, MX-5141N

Average cartridge yield: Black: 40,000, Color: 18,000 approximate pages based on 5% coverage (actual yield depends on specific use including images printed, printer, print settings and other factors)

MFG Part Numbers: MX-51NTBA, 051NTBA, MX-51NTCA, 051NTCA, MX-51NTMA, 051NTMA, MX-51NTYA, 051NTYA