Standard yield black rtn for use with lexmark e120n. This is a OEM MONOCHROMATIC TONER LEXMARK brand Toner Cartridge (SD BLACK RTN) that works with the following printers / machines (E120N). Product Features: Compatible with: Lexmark E120, E120n Duty Cycle: Up to 2000 pages ISO/IEC 19752 Pricing Type: Lexmark Cartridge Collection Program, Lexmark Return Program (LRP) Printing Color: Black Printing Technology: Laser Product Description: Lexmark - black - original - toner cartridge - LCCP, LRP Product Type: Toner cartridge Benefits of this product: Lexmark Return Program Cartridges are sold at a discount versus the prices of regular cartridges in exchange for the customer's agreement to use the cartridge only once and return it only to Lexmark for remanufacturing or recycling. Lexmark supplies are designed for the highest quality output, page after page. STANDARD YIELD BLACK RTN. E120N. OEM LEXMARK Brand.