<![CDATA[Perumda Perkebunan Kahyangan Jember is one of the Robusta coffee agroindustries in Jember Regency that produces roasted coffee and ground coffee. The effectiveness of the packaging machine plays a crucial role in maintaining production continuity while ensuring product quality. However, the Korin Vertical Packaging machine frequently experiences downtime, which reduces production performance. This study aims to evaluate the operational effectiveness of the packaging machine using the Overall Equipment Effectiveness (OEE) method, identify the main sources of inefficiency through Six Big Losses analysis, and propose improvement strategies based on Fishbone analysis and Total Productive Maintenance (TPM) principles. The results indicate that the average OEE value of the Korin Vertical Packaging machine is 29%, which is significantly lower than the world-class OEE standard of 85%, indicating suboptimal machine performance. The low OEE value is primarily influenced by idling and minor stoppages (31%), equipment failure losses (31%), and setup and adjustment losses (26%), which substantially affect the machine's performance rate. The novelty of this study lies in the integrated application of OEE, Six Big Losses, Fishbone analysis, and TPM within the context of a regional government-owned coffee agroindustry, providing a comprehensive diagnosis of packaging machine inefficiencies. The findings suggest that the implementation of planned maintenance, planned downtime, autonomous maintenance, and operator competency improvement is essential to reduce dominant losses and improve machine performance. These results provide practical insights for agroindustry managers in improving equipment effectiveness, production efficiency, and operational sustainability in coffee processing industries.]]>
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