Ink4work Compatible Toner to replace Dell 331-7328 (RWXNT) Black Toner Cartridge for your Dell B1260dn & B1265dnf One Pack Compatible 331-7328 (RWXNT) Black Toner Cartridge for your Dell B1260dn & B1265dnf Not made by Dell ISO9001 Certified manufacture. Sold by Ink4work only. Yeild up to 2,500 pages based on 5% coverage of lettle size paper.