The DR610 DU104 Katun OPC Drum is a replacement part compatible with Pro C500, C5500, C5501, C6500, C6501, PRESS C6000, C7000, C7000P, C70hc, C8050, and CF5001 copiers.It is designed to restore functionality and meet the specifications required for proper in these models.This drum has a page yield of 450, 000 pages at 5% coverage on A4 paper.It is engineered to operate within standard thermal and acoustic parameters for use in compatible machines.Installation follows the manufacturer's standard procedure for drum replacement.