Compatible with Altalink B8145, B8155, and B8170 printers for integration with your existing setup. Direct replacement for drum unit model 013R00686 (also known as CT351179) to maintain consistent performance. Designed to provide print quality with reduced smudging and streaking during extended use. Features an easy-to-install design for quick maintenance and minimal operational downtime. Engineered for yield printing to support busy office environments and frequent printing needs.