OKI Data is committed to high environmental standards at stages of a printing product’s life cycle - including design, manufacture and distribution of its products. We are constantly striving to design eco-friendly packaging and substitute materials for greener alternatives wherever possible.Compatible Printers: OKI MB 491 Plus, OKI MB 491, OKI B 431 DN plus, OKI B 431 DN, OKI B 431 D, OKI MB 491 Plus LP