Introducing the Original Konica Minolta DR-313K Black Drum Unit, a critical component designed to enhance the black printing capabilities of your compatible Konica Minolta printer. Also recognized by the part number A7U40RD, this drum unit is engineered to deliver exceptional print quality, reliability, and longevity. With an impressive estimated page yield of up to 120,000 prints, the DR-313K Drum Unit stands as a testament to its durability and efficiency. Ideal for businesses, offices, and professionals with substantial black printing needs, this drum unit ensures consistent and sharp results throughout its extensive lifespan, contributing to sustained productivity. Compatibility is a key feature of the DR-313K Drum Unit, seamlessly integrating with a variety of Konica Minolta printers, including the Bizhub C258, C308, C368, C458, C558, and C658. The precision engineering of the DR-313K Drum Unit ensures the reliable processing of black toner powder, resulting in crisp and professional-quality prints with each use. Installation is user-friendly.