This is a compatible Okidata 56120801 black laser drum unit designed for use with your Okidata B930 laser printer. It delivers a standard yield of up to 60,000 pages, ensuring high-quality printing results. This economical alternative to the original Okidata drum unit is remanufactured using both OEM and non-OEM components, providing reliable performance. The use of compatible drum units does not void your printer warranty. Backed by our 100% Quality Satisfaction Guarantee.