This is a remanufactured Lexmark 64015HA HY Black Laser Toner Cartridge guaranteed to perform with Lexmark Laser Printers. It replaces the original Lexmark 64015HA Laser Toner Cartridge. This high yield 64015HA replaces the 64015SA, 64035SA, 64004HA, 64004HA, 64404XA, 64035HA, and 64435XA which are all remanufactured with the T640, T642, and T644 Series Printers. These cartridges are basically the same cartridges with different yields. We usually only carry the highest yield cartridge available in the series of available toner ink cartridges. The 64015HA has an average cartridge yield of 21,000 pages. The remanufactured replacement 64015HA Laser Toner Cartridges and supplies (also known as generic) are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards for the 64015HA and offer high-quality printing results. Containing up to 60% new parts including OPC drums, wiper blades, and other internal parts, they are an economical alternative to expensive OEM 64015HA Lexmark Laser Toner Cartridges and supplies, and offer big savings over brand-name 64015HA Laser Toner Cartridges and supplies for your Lexmark T640, T642, and T644 Series Printer. The use of remanufactured replacement Laser Toner Cartridges and supplies does not void Printer Warranty.We offer a Two Year 100% Quality Satisfaction Guarantee on our remanufactured 64015HA Laser Toner Cartridges and supplies. For use in the following printers: T Series T640, T Series T644n, Optra Series T644dtn, Optra Series T644, Optra Series T642, T Series T640n, Optra Series T644tn, Optra Series T642tn, Optra Series T642n, Optra Series T642dtn, Optra Series T640tn, T Series T640dtn, T Series T640dn. LD Products is the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.