2x Super Easy "Peel & Stick" Drum Reset Chips for Xante Ilumina GS, 330, 407, 500, 502, 650 GL GS PRO Quick, Easy, Safe & Huge Saving reset solution. Just Peel off & Stick. No opening / No Hacking required. Please read description before buying. Takes only 1-2 min. Comes with a full instruction manual. Home & Office friendly. No drum opening means no messy toner powder leaking during the job and Less chance to break sensitive drum parts which can easily happen during Drum opening. Youtube video link : https://www.youtube.com/watch?v=LOQ6b_OxhTk Why change if they are not worn out? Save your time, money and earth by reusing the parts with our simple reset solutions. Usually the Drum unit(s) is(are) physically strong enough to work for one or two more cycle of its stated life span.