Patent ID: 8764004

Claim:
A sheet feeding device comprising: a sheet storing portion including a sheet stacking member that stores sheets and is capable of moving up and down; a nip portion formed by a feed roller and a separation member pressed to the feed roller; a sheet guide portion disposed upstream of the nip portion so as to guide a leading edge of a sheet sent from the sheet storing portion to the nip portion; a manual bypass sheet feeder disposed above the sheet storing portion for enabling to feed a manual bypass sheet; and a manual bypass guide member extending from the manual bypass sheet feeder, which has a leading edge disposed between the sheet guide portion and the nip portion, and is capable of being elastically deformed in up and down direction so as to guide the manual bypass sheet toward the nip portion, wherein as to the sheets in the sheet storing portion, only an uppermost sheet is separated by the nip portion from a plurality of sheets stacked in the sheet stacking member and is sent out by the feed roller to the sheet transport path, a sheet on the manual bypass sheet feeder is guided by the manual bypass guide member to the nip portion and is sent out by the feed roller to the sheet transport path, and when a sheet on the manual bypass sheet feeder is guided by the manual bypass guide member toward the nip portion, a leading edge of the manual bypass guide member is held between the sheet guide portion and the nip portion in a sheet transport direction.