Products › Sharp MX31NTBA / MX-31NTBA Black Toner Cartridge Image 1 of 1 Sharp MX31NTBA / MX-31NTBA Black Toner Cartridge $0.00 Genuine Sharp MX31NTBA / MX-31NTBA Black Toner Cartridge, rated for approx. 18,000 pages.Compatible printers:Sharp MX-2600NSharp MX-3100N Add To Cart Added! Genuine Sharp MX31NTBA / MX-31NTBA Black Toner Cartridge, rated for approx. 18,000 pages.Compatible printers:Sharp MX-2600NSharp MX-3100N