Genuine NEW JC66-01663A JC66-01664A Pressure Roller for Samsung ML 3310 3710 4824 SCX 4833 5639 M3820 3870 4020 4070 Printer
The fusing process is where these pressure rollers are used to provide reliable performance as well as avoiding common problems like the paper jamming and low quality print-outs. It can work out great for you if you use Original Samsung parts.