Compatible with printer models 4110, 4112, 4127, 4590, 4595, DC900, 1100, 6000, and 7000 for function across multiple devices. Designed to fit DC900, 1100, 6000, and 7000 series drums to proper installation and efficient. Includes 4 cleaning drums to support routine maintenance and extended use. Helps maintain drum functionality by removing residue and supporting component integrity. Suitable for use in industrial and home workshop settings requiring dependable cleaning components.