WE SELL & SERVICE RISO DUPLICATORS. Shown Hereis a NEW SEALED CASE of 10Tubes of New Genuine Riso S7605 BLACK ink (same as the OLD # S4254) for the Riso EZ220, EZ221, EZ390, EZ391, EZ590, EZ591, MZ790, MZ890, RZ220, RZ390, RZ590, series & some other RisoDigital Duplicators. I will ship in the continental U.S.(lower 48 states), Alaska, Hawaii, & Puerto Rico for FREE, NO CHARGE FOR SHIPPING or you can pick up on Long Island as soon funds have cleared. Payment can be made by Paypal, Mastercard, Visa, or AMEX.