This is a remanufactured Lexmark 34015HA High Yield Black Laser Toner Cartridge guaranteed to perform with Lexmark Laser Printers. It replaces the original Lexmark 34015HA Laser Toner Cartridge. The remanufactured replacement 34015HA 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 34015HA 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 34015HA Lexmark Laser Toner Cartridges and supplies, and offer big savings over brand-name 34015HA Laser Toner Cartridges and supplies for your E340, E342 Series Printer. The use of remanufactured replacement Laser Toner Cartridges and supplies does not void Printer Warranty.The Lexmark High Yield 34015HA replaces the Lexmark OEM 34015HA and 34035HA.We offer a Two Year 100% Quality Satisfaction Guarantee on our remanufactured 34015HA Laser Toner Cartridges and supplies. For use in the following printers E Series E342, E Series E340.