Automatic belt tension apparatus of image forming device and method thereof

摘要

An automatic belt tension apparatus of an image forming device having: a tension actuating part connected to the driving unit and operating by a driving force of a driving unit; a tension applying part to selectively apply a predetermined tension to a belt, installed with respect to the belt; and a tension releasing part to operate the tension applying part to not apply the predetermined tension to the belt, installed with respect to the tension applying part.