100% New Compatible Sharp MX-61NTBA Black Toner Cartridge, Black, 40,000 page yield. Replaces Sharp part numbers: MX-61NT-BA, MX-61NTBA. Laser Toner Cartridge works with printer models Sharp MX-2651, MX-3051, MX-3071, MX-3071S, MX-3551, MX-3571, MX-4051, MX-4071, MX-4071S, MX-5051, MX-5071, MX-5071S, MX-6051, MX-6071, MX-6071S