| 摘要 |
In a printer sheet feed mechanism for feeding a sheet such as a paper sheet, an OHP sheet and the like with a pinpoint accuracy, maintaining a sheet feed accuracy to a high level for a long time and improving recording quality, a sheet feed roller (20) is composed of a metal shaft (21) having a plurality of projections (22) formed on the surface thereof and pressure rollers (25) to be abutted against the surface of the sheet feed roller have selected hardness and pressure contact force to the sheet feed roller. The surface of each of the pressure roller shafts is subjected to surface processing having a lubricating property. <IMAGE> |
