This developer unit assembly (part numbers FM2-A726-000 and FM3-7384-000) is designed for use with imageRUNNER 6055, 6065, 6075, 6255, 6265, 6275, 6555i, 6565i, 6575i, 8105, and 8095 copiers.It supports consistent print performance and integrates into the imaging system to assist with toner distribution during normal printing operations.