Products › Sharp BPB50NTA Black Toner Cartridge Image 1 of 1 Sharp BPB50NTA Black Toner Cartridge $0.00 Genuine Sharp BPB50NTA Black Toner Cartridge, rated for approx. 30,000 pages.Compatible printers:Sharp BP-B540WRSharp BP-B550PWSharp BP-B550WD Add To Cart Added! Genuine Sharp BPB50NTA Black Toner Cartridge, rated for approx. 30,000 pages.Compatible printers:Sharp BP-B540WRSharp BP-B550PWSharp BP-B550WD