The genuine Xerox 115R00085 fuser is the most reliable and best quality unit available for your monochromatic laser printer. Why trust anything else with the running of such a substantial purchase?With precision heated rollers inside the 115R00085 your fuser unit, the component works in harmony with the other parts of the Xerox printer to offer the best results. This original Xerox 115R00085 fuser unit produced just the right temperature to fuse the toner powder to whatever paper you are using, giving you consistently high quality results.Xerox deal with any warranty issues with the 115R00085 directly, so you can be sure of getting the very best from the Xerox WorkCentre 3615 and any other compatible printers.