Sheet feeder and image forming apparatus using the same

摘要

A sheet feeder including a sheet container on which sheets are placed, a transfer roller to transfer the sheets to an image forming unit via a transfer path; a friction pad to transfer the sheets together with the transfer roller; and a movable portion provided on the transfer path to alter a direction of the transfer path based on the sheets.

主权项

1. A sheet feeder comprising:
a sheet container on which sheets are placed; a transfer roller; an opposing roller facing the transfer roller to transfer a sheet that has advanced between the transfer roller and the opposing roller; a sheet thickness detector to measure a thickness of the sheet; and a roller guide driver to tilt the opposing roller based on the thickness of the sheet detected by the sheet thickness detector, wherein the opposing roller tilts at an angle, using the roller guide driver, to a surface of the transfer roller determined by the thickness of the sheet, using the sheet thickness detector, that has advanced between the transfer roller and the opposing roller.