| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sheet feeder capable of reducing a rise in nip pressure of a separation nip part when sheet feed means rotates by rotation of a separation roller, and an image formation apparatus.SOLUTION: When the final sheet at sheet support means is fed and a pickup roller 1 rotates by rotation of a separation roller transmitted by drive transmission means while abutting on the sheet support means, a rotation member 26 reduces the load which is placed on the pickup roller 1 and transmitted to the separation roller through the drive transmission means to reverse the separation roller.</p> |
