The fuser unit in your printer fuses toner to paper using heat. After years of use it can become worn, reducing the quality of your prints. If this is the case with your printer, replace it with this Oki Fuser Unit. Genuine Oki products will guarantee the same quality that you have received from your printer to date, and will last for approximately 60,000 pages. Suitable for use with Oki C310, 330, 510 and 530 printers, the fuser kit is simple to install and hassle-free.