RM1-9137-000 RM1-9137 Tray 2 Cassette Assembly Front Door for Pro 400 M401 M401dw M401n M401d M425 M425dn This tray 2 cassette assembly front door is compatible with Pro 400 M401dn, M401dw, M401n, M401d, M425, and M425dn printers.It serves as a replacement part for the paper feed mechanism, supporting of the printer's second paper tray.The unit includes the RM1-9137-000 cassette assembly and front door, designed for straightforward installation and consistent performance.The front door features a sleek design that allows easy access to the cassette for loading paper and clearing jams.The assembly is built to support smooth paper handling, helping maintain consistent print output and reducing the occurrence of misfeeds.Engineered for , it is constructed using materials suitable for regular office use and meets M OFFICE PARTS environmental standards.The material composition includes low evaporation properties at 105℃, contributing to safer in enclosed environments.Designed specifically for select Pro 400 series models, this component proper fit and function.It provides a practical solution for replacing worn or damaged parts, helping restore full functionality to the printer's paper handling system.