| 摘要 |
A cover opening and closing unit includes a cover installed to be opened from and close a main body and a manual paper feed tray that is rotatably installed on the cover. The cover is connected to the main body by a link element and a connection link is connected to the link element and the manual paper feed tray so that, when the cover is opened from the main body when the manual paper feed tray is in an opened state with respect to the cover, an open angle of the manual paper feed tray with respect to a vertical direction is maintained within 90 degrees. |
