For use with: Optra S 1250, Optra S 1250n, Optra S 1255, Optra S 1255n, Optra S 1620, Optra S 1620n, Optra S 1625, Optra S 1625n, Optra S 1650, Optra S 1650n, Optra S 1855, Optra S 1855n, Optra S 2420, Optra S 2420n, Optra S 2450, Optra S 2450n, Optra S 2455, Optra S 2455n, OptraImage S 2455m. Yield: Up to 17,600 pages @ approximately 5% coverage.”