This fuser unit is compatible with various models from Ricoh, Savin, and Lanier, including the Ricoh SP 4510SF, Ricoh SP 4520DN, Savin MP 401SPF, Savin MP 402SPF, Lanier MP 401SPF, Lanier MP 402SPF, Ricoh MP 401SPF, Ricoh MP 402SPF, Savin SP 4510sf, Lanier SP 4510sf, and more. It has an estimated page yield of 180,000 pages and a manufacturer warranty of 1 month. This fuser unit is designed for the machine section of fusing and has a voltage of 110/120. It is a type of printer and scanner part that measures 20 inches in length, 8.6 inches in height, and 12.4 inches in width.