Designed for Colorqube 8570 and 8870 printers, this maintenance kit contains everything you need to keep your machine operating at peak performance. The maintenance kit contains a roller that interacts with the surface of your printer's imaging drum, keeping the assembly clean and well oiled for reliable use. Replace it regularly to keep your printer working smoothly. It's remarkably easy to install; open the maintenance door, take out the old kit and replace it with the new one. With a yield of up to 10,000 pages for long lasting use.