Printing medium supplying apparatus and image forming apparatus having the same

摘要

An image forming apparatus may include a main body having a developing apparatus, a driving source configured to generate power in the main body, a driven unit configured to receive the power from the driving source to be operated, a supply cassette configured to be detachable from the main body and in which printing media are stacked, and an opening/closing unit configured to receive power from the driving source configured to drive the driven unit to move the supply cassette back and forth. Accordingly, the supply cassette can be automatically opened and closed to provide user convenience.

主权项

1. An image forming apparatus comprising:
a main body having a developing apparatus; a driving source configured to generate power within the main body; a supply cassette configured to be detachable from the main body and in which printing media are stacked; a knock-up plate configured to elevate the printing media in the supply cassette and configured to receive the power from the driving source to be operated; an opening/closing unit configured to receive the power from the driving source and configured to move the supply cassette back and forth; an opening/closing power control apparatus configured to control the power transmitted from the driving source to the opening/closing unit; and a power control apparatus configured to control the power transmitted from the driving source to the knock-up plate, wherein the power control apparatus and the opening/closing power control apparatus are independently operated, wherein the power control apparatus comprises: a first control gear connected to the driving source; a second control gear configured to intermittently receive power from the first control gear; and a power control unit configured to selectively transmit power between the first control gear and the second control gear.