1.ISO9001 certified 2.18 months warranty 3.1:1 replaced 4.10K page 1) High quality products with adcanced technology and professional high-tech devices 2) Excellent image effect 3) Suitable for: Lexmark T620 / T622. Page yield: 10000 pages for A4 page @ 5% coverage 4) Package: Neutral color package, White box, Customized packing. 12A6760/12A6860