This is a compatible Brother DR400 black laser drum unit, designed for reliable performance with your Brother laser printer. It offers a standard yield of up to 20,000 pages, providing an economical alternative to original Brother drum units. Manufactured with brand new parts, this drum unit ensures high-quality printing results while delivering significant savings compared to OEM options. The use of compatible drum units does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.