公开(公告)号：US20170176923A1

公开(公告)日：2017-06-22

申请号：US15364383

申请日：2016-11-30

Applicant: S-Printing Solution Co., Ltd.

Inventor： Hak-yun KIM

IPC: G03G21/18

CPC classification number: G03G21/1647 ,  G03G21/1633 ,  G03G21/1676 ,  G03G2215/0132 ,  G03G2221/1684

Abstract: An image forming apparatus includes a tray on which a plurality of developing units are mounted, and a position adjustment unit that is disposed on at least one side of the tray, is movable with respect to the tray, and rotatably supports the plurality of developing units. As the position adjustment unit is moved with respect to the tray, the plurality of developing units are rotated and positions of the plurality of developing units are adjusted by the position adjustment unit.