| 摘要 |
<p>PURPOSE:To facilitate a work to remove a sheet conveyance unit and mount the unit in an original position again after a half-moon roller is changed by a method wherein the sheet conveying roller pair of the upper part of the sheet feed half-moon roller, an auxiliary member, a sheet guide plate, and a sheet detecting switch are supported as the sheet conveying unit, which is integrally removable. CONSTITUTION:A sheet conveying roller pair 18 of the upper part of a sheet feed half-moon roller 16, an auxiliary member 22, sheet guide plates 23a and 23b, and a sheet detecting switch 24 are supported as a sheet conveying unit 30 which can be integrally removed. As a result, a roller change work, wherein during work to change the roller 16, the sheet conveying roller pair 18, the auxiliary member 22, the sheet guide plates 23a and 23b, and the sheet detecting switch 24 are removed and after change of the roller 16, the members are mounted on respective original positions, is facilitated.</p> |
