Drum Rebuild Kits For Ricoh. Drum Rebuild Kits for the Ricoh MPC3003, MPC3503, MPC4503, MPC5503 and MPC6003 contain a drum, lubrication bar, charge roller, charge roller cleaning roller, lube application brush roller, drum cleaning blade, lube application blade. A savings of over $300 a unit! Let us calculate the savings opportunity for you! Contact us today at [email protected] or 888-826-2576. Contact Q2 today for more information at 888-826-2576.