1PCS For MPC4000 MPC5000 Japan Sleeved Upper Fuser Heat Roller AE010068 Japan Copier Parts This upper fuser heat roller is designed for use in compatible copier models including MPC4000 and MPC5000.The unit features a Japan-manufactured sleeve and is engineered to meet specifications for consistent performance during.AE010068.Intended as a replacement component for maintenance or repair of the fusing system in supported devices.