夏普MX-M453N故障代码FK3,FK3 THE FUSING WEB PRINT COUNTER REACHES 200,000 SHEETS FK3定影计数超过了20万张,建议更换 If your machine is displaying this code let your service provider know. The code indicates a fusing unit part has reached it's replacement interval. The machine will continue to print normally but you may notice some offset (marks o r images) on your printed pages. When the service has been performed the service provider will reset the counter an d the code will stop being displayed. In some cases, the machine may be set to stop printing when this code is displayed.