| 摘要 |
A paper feeing cassette of an image forming apparatus includes a paper stacking plate on which a sheet of paper is stacked; a lift unit placed under the paper stacking plate, lifting by a rotating pivot, the rotating pivot being connected to a driving motor using a connection portion and rotated, and ascending the paper stacking plate; and a release unit separating the connection portion from the rotating pivot, disconnecting the driving motor from the rotating pivot, descending the paper stacking plate by its weight, and separating the sheet of paper from a pickup roller.
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