Renner, Otto, Boisselle & Sklar, LLP
Paper feeder, image forming apparatus provided with the same and paper feeding method
When two or more sheets of paper P are fed in an overlapped manner to a nip where a paper feed roller and a separation roller are in pressure contact with each other, a sub-CPU of a sheet feeding unit rotates the paper feed roller in a paper feeding direction and rotates the separation roller in a direction opposite to the feeding direction, so as to separate overlapping, and thereafter, it rotates the paper feed roller and the separation roller again in the feeding direction.
Sharp Kabushiki Kaisha
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Masaharu Tadasu Norichika Masahiko
Kimura Taniguchi Katsura Fujita