| 摘要 |
<p>There is provided an apparatus provided with a tray (61) which goes up and down with sheet stack being supported, a pickup roller (51) which feeds the sheet on the tray (61) a first detecting sensor (70) which detects a object placed on the tray (61) other than the sheets to be fed by the pickup roller (51), as the tray (61) goes up.</p> |
