Lexmark X642e, X644e, X646e High Yield Return Program Print Cartridge for Label Applications . Printing colours: Black, Page yield: 21000 pages, Compatible products: Lexmark Clinical Assistant Lexmark Education Station Lexmark Legal Partner Lexmark X642e. Package weight: 2.4 kg, Package dimensions (WxDxH): 300 x 400 x 162 mm. Package dimensions (W x D x H): 300.2 x 400 x 162.1 mm (11.82 x 15.75 x 6.38"), Package weight: 2.4 kg (5.3 lbs)