Lxk cs/x73x black rtn 22k crtgThe Lexmark Unison Original Laser Toner Cartridge in Black Pack is designed to deliver consistently superb print quality from the first page to the last. Engineered to work in harmony with Lexmark printers, this cartridge is a core component of Lexmarks Best Together philosophy. The Unison toner technology ensures dependable performance, clean operation, and crisp, professional results across high volume workloads. When you choose this black ink