mr_fix

Yes, I use this , but one printer work without all chips long time and second printer blocked maintenance box

FA27HC chipless fw

I have 2 printers WF-7710, I bought chipless keys One printer I chipless mounth ago and remove all chips (cartrige+maintenance box) and perfect work without chips Week ago I chipless second printer and remove all chips too (cartrige+maintenance box), but he work only 5 days and blocked Now he show cartrige ink full , but maintenance box 0% Dear John, can you fixed this bug in chipless firmware ?