4SETS AA15-2283 bushing AA08-0281 ball bearing B004-3059 For MP 4000 4001 4002 5000 Developer roller seal Copier Parts The Developer Roller Seal is designed for use in MP 4000, 4001, 4002, 5000, 5001, and 5002 series copiers.It helps maintain consistent performance during regular and supports function under continuous use conditions.Constructed to meet standard material specifications, the seal is built to endure typical thermal exposure up to 105℃, contributing to stable within the developer unit.This set includes bushings and ball bearings with part numbers AA15-2283, AA08-0281, and B004-3059, which are used in the developer roller assembly.The design allows for direct replacement, simplifying the maintenance process.Compatible across multiple models, this component supports operational continuity when integrated into specified copier systems.