This genuine Xerox fuser maintenance kit is designed specifically for your AltaLink B8045, B8055, B8065, B8075, B8090 to keep it operating at optimal performance. Xerox fuser units are long-lasting and easy to replace. Don't settle for cheap imitations. Get free standard shipping on all supplies. Note: The 109R00850 fuser assembly is considered a Long-Life Item and is typically not required at average levels of usage.