| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet feeder preventing the faulty and double feed of sheets, and to provide an image forming device.SOLUTION: When feeding of the sheets is started, a separation roller 53 is rotated against a twist coil spring 91b by a first prescribed amount by a feeding roller 51 rotating in a sheet feeding direction. When the feeding of the sheets is finished, the separation roller 53 is rotated by the first prescribed amount in a sheet returning direction by the twist coil spring 91b, and moreover, the feeding roller 51 is rotated in the sheet returning direction together with the separation roller 53. |
