Powder apparatus for a printing press

A powder apparatus (2) for a printing machine comprising a metering roller (5) and a distributor (7). A plurality of injectors (11) are arranged in the conveying direction after the powder distributor (7). The powder device (2) is operable according to a method in which a powder-total flow is divided into partial flows powder and then the powder part streams are mixed separately from one another with compressed air to produce powder-air streams.