SUSA Compatible Inkjet Cartridge, Black, 600 Pages (#70), Replaces Lexmark 12A1970, For Lexmark 3200, 5000, 5700, 5770, 7000, 7200, 7200V, X63, X73, X83, X85, X125, X4250, X4270, Z11, Z31, Z42, Z43, Z45, Z45se, Z51, Z52, Z53, Z54, Z82, Optra Color 40, Optra Color 45; Compaq 1400P, A900, A1000, A1500, A3000, A4000, IJ300, IJ700, IJ750, IJ900, This new SUSA Premium Compatible Ink is designed to work with your Lexmark Laser Printers and is a replacement for Lexmark 12A1970 Toner Cartridge. SUSA's Compatible Toner Cartridges are engineered to meet the highest standards of quality and reliability. The yields of these cartridges either meet or exceed OEM standards and are conform to ISO 19752 Page Yield Testing. SupplyUSA's 12A1970 replacement toner cartridge is a high quality, cost-efficient alternative to the pricier Lexmark OEM. Shelf life: 12 months.