This lubricant bar is designed for use with OPC drum and PCR cleaning roller assemblies in compatible Ricoh office printers. It provides targeted lubrication to contact surfaces to reduce friction between the drum, cleaning roller, and blades, helping the components run smoothly and maintain consistent print performance. Key benefits Compatible fit: Made to match the drum kit and PCR cleaning roller assemblies for Ricoh MP C6502, C8002, Pro C5100, C5110. Works with OEM part numbers D0749510 and D1359510 for straightforward replacement. Reduces wear: Applies a controlled layer of lubricant to contact areas to minimize friction and help prevent scratching or premature wear on the OPC drum and cleaning roller. Stable operation: Helps maintain smooth roller rotation, which can reduce noise and contribute to steady paper handling and consistent output. Easy to use: Compact form designed for direct application during drum kit or roller service, making installation part of standard maintenance routines. Product attributes Function: Lubricant bar for use with OPC drum and PCR cleaning roller assemblies to reduce friction and support reliable operation. Compatibility: Intended for printers listed above and matching OEM part numbers D0749510 and D1359510. Form factor: Bar design sized for use within drum kit service procedures and compatible replacement workflows. Performance: Provides a controlled lubrication layer that supports smooth mechanical interaction between drum and cleaning roller components. Typical use scenarios Drum kit replacement: Apply the lubricant bar when installing a drum kit to ensure proper contact and reduce initial wear as components bed in. Routine maintenance for volume printing: Use during scheduled service to keep rollers and blades operating smoothly and to help maintain consistent print results. Troubleshooting rubbing or noise: Apply while servicing the PCR cleaning roller if minor friction or noise is present to restore quieter, smoother rotation. This lubricant bar is a practical service item for printer maintenance technicians and facilities managing compatible Ricoh models. Use according to your printer service guidelines and OEM part references for results.