| 摘要 |
A delivery of a machine for processing flat printing materials, having a sheet guide surface over which the sheets are drawn during operation, with forcible guidance of an edge of the sheets extending in a processing direction, respectively, includes nozzles opening into the sheet guide surface and providing flow therethrough during operation, and a blown air curtain, formed during operation, which extends over the sheet guide surface transversely with respect to the processing direction and is aimed at a target region on the sheet guide surface. The nozzles are arranged on the sheet guide surface in accordance with a first mode and a second mode, the nozzles arranged in accordance with a first of the modes outputting during operation a flow which counteracts a volume flow, from the blown air curtain, which is deflected downline with respect to the processing direction.
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