LD Compatible Printer Ribbon Cartridge Replacement for AMT Datasouth 130074 (Black, 3-Pack) Page Yield: 20 million characters per cartridge | Shelf Life: 24-36 months per crtridge We offer lightning fast shipping on all printing supply and inkjet photo paper orders The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following AMT Accel Printers: 7350, and 7450