| 摘要 |
A printing unit, a sheet-feeding unit, a sheet-discharging unit, an ink-feeding unit and a roller-oscillating unit of a digital printing press are adapted to receive the driving force from a common motor. An image-forming device fixedly mounted on the digital printing press is adapted to form images on printing plates mounted on the printing unit as the plate cylinder rotates upon receiving the driving force from the common motor. The transmission of the driving force to at least two of the sheet-feeding unit, the sheet-discharging unit, the ink-feeding unit and the roller-oscillating unit is shut off by means of a single clutch during the image-forming operation.
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