The genuine Lexmark B242H00 is part of the industry leaders unique Return Programme that reduces the cost of purchasing this black toner cartridge. By purchasing this eco-friendly toner you agree to return the cartridge (for free) to be recycled afterwards. As a high yield original Lexmark toner cartridge, the B242H00 offers many more pages than other capacity units that are also available for your mono laser printer.This original Lexmark B242H00 black toner cartridge has an estimated page yield of 6,000 prints. Once compatible machines (like the Lexmark B2442dw) believe the B242H00 toner cartridge is empty, the unit will cease to function, allowing you to take advantage of the free recycling scheme mentioned previously.