| 摘要 |
In a sheet-processing rotary printing machine operatable in recto printing and recto/verso printing modes, there is provided a device for reversing sheets, which includes a transfer drum bounded by two sheet-guiding cylinders, a reversing/storage drum and an additional transport element assigned to the transfer drum, the transfer drum being drivable in opposite directions of rotation in the recto printing and the recto/verso printing modes, and gripper systems actable in both directions of rotation of the transfer drum, the gripper systems being accommodated on an imaginary jacket surface of the transfer drum; a printing unit including the components of the device; and the printing machine being a multicolor printing machine.
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