Patent ID: 7597316
Filing Date: 2009-10-06
Classification: B65H

Abstract:
1. A method for controlling a paper feeder which includes: a paper feeding roller which comes into contact with a topmost sheet of paper in stacked sheets of paper to thereby feed said topmost sheet of paper, a retard roller which comes into contact with said paper feeding roller to separate said topmost sheet of paper from a subsequent sheet of paper in said stacked sheets, and a lift plate which supports said stacked sheets of paper to be fed by said paper feeding roller and presses a front portion of said stacked sheets of paper against said paper feed roller, the method comprising: lifting the lift plate to press the front portion of said stacked sheets without lowering the lift plate during feeding of the paper in a case where said paper is plain paper; and lifting and lowering the lift plate every time one paper is fed in a case where said paper is cardboard.