Patent ID: 8272636

Claim:
A paper feed device, comprising: a paper feed unit configured to feed sheets, the paper feed unit includes a paper feed roller and a paper feed pad; a separation unit configured to separate and feed the sheets fed from the paper feed unit automatically one by one, the separation unit includes a separation roller and a separation pad; a sheet guide member, configured to guide the sheets during sheet feeding, provided between the paper feed unit and the separation unit, the sheet guide member provided on a downstream side relative to a sheet feed direction pivotably supported at one edge thereof to pivot between a first guiding position and a second guiding position; and a guide driving member configured to change a sheet guide position of the sheet guide member depending on a sheet type, wherein the guide driving member is an eccentric cam, and wherein the guide driving member presses against a back surface of the sheet guide member to change the sheet guide position of the sheet guide member.