The genuine OKI 45531113 fuser is the most reliable and best quality unit available for your colour laser printer. Why trust anything else with the running of such a substantial purchase?With precision heated rollers inside the 45531113 your fuser unit, the component works in harmony with the other parts of the OKI printer to offer the best results. This original OKI 45531113 fuser unit produced just the right temperature to fuse the toner powder to whatever paper you are using, giving you consistently high quality results.OKI deal with any warranty issues with the 45531113 directly, so you can be sure of getting the very best from the C911dn and any other compatible printers.