Lexmark No. 37XL Ink Cartridge - Cyan, Magenta, Yellow - Inkjet - 500 Page - 1 Pack The #37XL colour cartridge reflects a discount compared to alternative cartridges in exchange for agreeing to return the used cartridges only to Lexmark for remanufacturing or recycling. Lexmark Return Program helps to protect the environment by recycling returned cartridges. Variable size ink droplet technology allows for more vivid and precise image quality. Excellent print quality for a wide range of business documents and graphics.