A printing system for printing multiple copies of a print job having one or more documents is disclosed. The method includes the following steps. In this arrangement, projections are being utilized which are embeddable in and can be pressed into recesses of the installation plate. The catches engage in the latching holes of the panel respectively, thereby fixedly attaching the holder to the panel. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor. A conductive paste using the powder as filler resists migration.