This gear is a genuine OEM part for Sharp SF 8300 and 8400 printers. It is designed to provide excellent performance and reliable operation. The gear is compatible with Sharp SF 8300 and 8400 models and is made in China. It is a unit type part and comes with a quantity of 1. This gear is an essential component for the proper functioning of your printer and is free from any modifications. It also complies with California Prop 65 Warning standards.