123inkjets offers the best alternative to the OEM (genuine) Lexmark 64015HA high yield black laser toner cartridge for your T640, T642 or T644 series printer. This cartridge also replaces Lexmark part numbers 64015SA, 64035SA, 64004HA, 64004HA, 64404XA, 64035HA, 64435XA. Remanufactured with up to 60% new parts, our 64015HA cartridges are refurbished to perfection for crisp, clear prints, every time. Laser toner you can rely on at a price you can afford.