Compatible Drum Unit Replacement for OKI B411 B431 B412 B432 B461 44574301 for B411d B411dn B431d B431dn MB461 MB471 MB471w MB491 MB461 MB471 MB471W B412dn B432dn B512 B512dn Printer (1Pack Black)

This is a drum unit only; the toner cartridge is sold separately. When replacing the drum, remove the old toner cartridge and shake it to check for remaining toner. If there is no toner, install a new toner cartridge. For installation instructions, view the video next to the product image. This drum unit is compatible with and replaces models including: OKI B411, B411d, B411dn, B431d, B431dn, MB461 MFP, MB471, MB471w, MB491, MB461, B412dn, B432dn, B512, B512dn, MB472w, MB472dnw, MB492, MB492dn, MB562w, and MB562dnw. It provides a high capacity of 30, 000 pages at 5% coverage (Letter/A4). The drum unit (part number 44574301) utilizes a durable OPC (Organic Photoconductor) with high durability, excellent pressure resistance, superior anti-aging properties, and the ability to withstand higher operating temperatures, ensuring dependable performance. The product originates from a factory certified to ISO 9001/14001, STMC, CE, and ROHS standards. Premium raw materials are used to ensure printing quality, supported by rigorous management for consistent product stability. Each unit is packaged in an individual box, which is suitable for long-term storage and helps prevent product damage or toner leakage. All products undergo a rigorous three-stage testing process: Stage 1 - reliability testing of raw materials; Stage 2 - finished product color fidelity testing; Stage 3 - a strict double test consisting of print testing during the manufacturing phase and final testing before leaving the factory