Brother TN-230BK Toner Cartridge Black TN230BKBrother Black TN 230BK Laser Toner is specially formulated to ensure high quality resolution, grey scale and block colour. With Brother laser machines the toner and drum units work independently so when one unit runs out, you don't have to replace both, resulting in reduced waste and significant cost savings. With a page yield of approximately 2,200 pages at 5% coverage, Brother's toner cartridges provide excellent value for money. Colour: Black Page