Sheet conveying mechanism

摘要

A sheet conveying mechanism for a printer which records an image on a sheet fed from a sheet feeder, comprises a hard pinch roller; and a capstan roller confronting the pinch roller, the capstan roller associating with the pinch roller to convey at least one sheet. The capstan roller has a surface on which a plurality of projections are formed. The height of the projections is 60 mu m +/- 40 mu m, a projection pitch in an axial direction of the capstan roller is 0.5 mm +/- 0.2 mm, and the projections are arranged on half or more of the area of the surface of the capstan roller. <IMAGE>