Paper feeder

摘要

A pickup roller is movable in a vertical direction and pulls out papers to the paper feed rollers, is provided. The pickup roller moves down towards the papers stacked on the paper tray. A front edge alignment member that aligns the front edge of the papers and a stopper that controls rotation of the front edge alignment member engages the front edge alignment member. A stopper release member pivots the stopper to release it from the front edge alignment member in synchronization to the up and down movement of the pickup roller.