This high-quality drum unit from Innovera is a must-have for any office or home setting. It is designed to work with the Innovera IVR-DR400 model and is perfect for printing documents, presentations, and spreadsheets. This drum unit is compatible with toner cartridges and is a reliable and affordable option for those who want to save on printing costs. It is easy to install and provides consistent and high-quality prints, making it a great addition to any printer setup. Give your printing experience a boost with this Innovera drum unit today.