| 摘要 |
A stencil-making-type printing machine in which plural types of rotary cylindrical drums having printing regions of different sizes can be replaceable loaded, in which a stencil sheet provided in the form of a roll is cut according to the printing region of a rotary cylindrical drum loaded therein to form a printing stencil, and a printing operation is carried out with the printing stencil wound on the rotary cylindrical drum, and before a printing operation is carried out for a new original, a used stencil is separated from the rotary cylindrical drum and discarded into a used-stencil accommodating box by a conveying means. The printing machine comprises a control system which controls operating time of the conveying means depending on the loaded rotary cylindrical drum, thereby stopping the operation of the conveying means immediately after the stencil has been discarded in the accommodating box and surely accommodating the stencil in the accommodating box.
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