The HP Fuser Kit RM2-5425-000CN is a fuser assembly for HP LaserJet Pro 400 series printers (including models M402, M403, M426, and M427). It is a 220–240 VAC fuser that bonds the toner to the paper using heat. Available as a genuine HP OEM product, new compatible, or refurbished. The typical package dimensions (approx.) are 15 x 20 x 30 cm and the gross weight is about 2000 g for the aftermarket packaging.