uPunch Ribbon for HN3000 Non-Calculating Green Easier to find your replacement ribbon! HN3000 uPunch machines, time cards, and ribbons have the same green color for making sure you get the right replacement products. Two colors black and red allow for highlighting early punch ins and late punch outs For use in HN1000/HN3000 time clocks and HN3500/HN5000 bundles. Individually sealed to ensure quality.