A device for seperating copies of a flat sheet material mutally adjacently conveyed
on paths defining a common wedge-shaped region, one of the copies of the flat sheet
material passing over in a transfer region to the respective path whereon the other
of the copies is conveyed, includes a guiding device for maintaining a seperation
of the copies, said guiding device being accommodated in the wedge-shaped region;
and a printing unit, a rotory printing machine and a multicolor rotory printing
machine, respectively, having such a seperating device.