Abstract: The device for pneumatically filling toner (23) from a transport container (22) into a toner reservoir (10), from where the toner (23) is then supplied to a developer station (11) of an electrophotographic printer means, contains a settling space (12) that is in communication with the developer station (11) and contains a suction space that is separated from the settling space (12) via filter means (14) and has a means (19) that generates a low pressure allocated to it. The settling space (12) comprises a scraper means (28) that strips toner adhering to the filter means (14) via elastic scraper elements (28).

Abstract: In a toner transfer system of a printer or copier, a suction nozzle inside a toner-tight protective sheath is arranged in verticallly displaceable fashion in a guide in the printer or copier, this suction nozzle being in communication via a pipe line with a developer station of the printer or copier. At it slower end, the guide has an adaptor for connection to a toner container. When the toner container is to be changed, the toner container is swivelled via a holding mechanism and a new container is connected to the adaptor. A cutter on the adaptor then punctures a sealing foil over the filling and emptying opening of the toner container. For emptying, the suction nozzle moves vertically into the toner container whose floor is fashioned funnel-shaped to form a toner collecting region.

Abstract: The toner container (10) described has a bottom in the shape of a funnel, with a very deep toner storage region. The side walls of the container consist of flat surfaces, whereby at least one wall (12) of the container forms a support surface for the toner container (10). In order to prevent the adhesion of the toner on the walls of the container, said walls are sloped. The toner container (10) is emptied by means of a vertically movable suction spout arranged in a vertically movable manner. In this way, it can be used both as a transfer tank for fresh toner and as a collection tank for used toner.