This is a replacement ADF pickup feed roller set compatible with the following models: M2030, M2035, M2040, M2135, M2235, M2530, M2535, M2540, M2635, M2640, M2735, and M2835.Each set contains 10 rollers.The part number is 3BR07040, also known as 36211110.These rollers are designed to restore ADF feeding functionality when replacing worn or damaged units.