Drum Unit Rebuild Kit – Part for MPC305, MPC306, MPC307, MPC406 & MPC407 Printers Maintaining consistent print performance requires replacement components.This rebuild kit is designed specifically for use with MPC305, MPC306, MPC307, MPC406, and MPC407 color laser printers, providing essential parts to restore a worn drum unit to full functionality without replacing the entire assembly.The kit includes: - OPC Drum - Cleaning - PCR (Photo Conductor Cleaner) Roller Each component plays a vital role in the imaging process.The OPC Drum transfers the electrostatic image during printing, the Cleaning removes residual toner after each print cycle, and the PCR Roller uniform charge distribution across the drum.Together, these elements support clear, consistent output by maintaining interaction between internal components throughout repeated printing cycles.This rebuild solution helps extend the service life of the drum unit, supporting long-term maintenance strategies for both single-user environments and multi-device setups.By refreshing key internal parts, users can sustain dependable print quality across volume or complex print jobs involving detailed graphics and text.