Patent ID: 8670682
Filing Date: 2014-03-11
Classification: B41J,B65H,G03G

Abstract:
1. An image forming apparatus including a body having a printing path; a paper supply tray separably mounted in the body, in which a printing medium is stored; a pickup member to pick up the printing medium stored in the paper supply tray sheet by sheet and to feed the picked up printing medium to the printing path; a first actuator to sense the presence of the printing medium stored in the paper supply tray and a width of the printing medium; and a first sensor to sense operation of the first actuator, wherein the first actuator comprises: a first rotating shaft rotatably installed to one side of the body; a first actuating arm extending from a first axial portion of the first rotating shaft and having a first contact portion to face a front end of the printing medium stored in the paper supply tray; a second actuating arm extending from a second axial portion of the first rotating shaft and having a second contact portion to selectively come into contact with the printing medium according to the width of the printing medium that has picked up by the pickup member so as to be fed to the printing path; and a first sensing arm extending from a third axial portion of the first rotating shaft and having a first sensing portion to be sensed by the first sensor by being moved in linkage with the first and second actuating arms.