Patent ID: 7434801

Claim:
A versatile paper feeding device, comprising: a pick-up roller; a paper support member disposed under the pick-up roller to stack a paper thereon; a paper support expansion member freely slidable toward the paper support member to support the paper; a first paper alignment member formed on the paper support member to align a leading end portion of the paper; and a second paper alignment member formed on the paper support expansion member to align a following end portion of the paper, the second paper alignment member comprising: a supporting shaft formed on the paper support expansion member, and a plurality of protrusions formed adjacent to opposite ends of the supporting shaft to rotatable adjust to a width of the paper, to align the following end portion of the paper, wherein the supporting shaft is formed at a receiving part of the paper support expansion member so as to rotate with the plurality of protrusions, and the second paper alignment changes a position thereof according to whether the paper support expansion member is inserted into or removed from the paper support member.