| 摘要 |
A scanning apparatus and a method of preventing damage of gear may include a driving roller to transfer a document sheet while being in contact with a scanning glass of a reading unit and configured to be spaced-apart from the scanning glass so that a jammed sheet can be removed, a driving gear joined to the driving roller, a power transmitting gear to be selectively engaged with the driving gear so as to supply a rotational force of a driving motor to the driving roller, a first sensor installed at a front side of the driving roller to detect a document sheet, a controlling portion to control a scanning process, wherein the controlling portion controls the power transmitting portion to be spaced-apart from the driving gear when the first sensor cannot detect the document sheet.
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