brush roll is positioned along a horizontal plane and adapted to transport developer material in a direction so as to supply said material to said magnetic brush roll the auger has a first portion thereof having an irregular blade edge and wedge shaped paddles to eliminate auger mark print defects application_number US 75345596 A description referring to fig1 of the drawings there is shown a xerographic type reproduction machine 8 incorporating the dual auger mixing assembly of the present invention designated generally by the numeral 10 machine 8 has a suitable frame not shown on which the machine xerographic components are operatively supported briefly and as will be familiar to those skilled in the art the machine xerographic components include a recording member shown here in the form of a rotatable photoreceptor 14 in the exemplary arrangement shown photoreceptor 14 comprises a drum having a photoconductive surface 16 operatively disposed about the periphery of photoreceptor 14 are a charge corotron 18 for placing a uniform charge on the photoconductive surface 16 of photoreceptor 14 an exposure station 22 where the previously charged photoconductive surface 16 is exposed to image rays of a document 9 being copied or reproduced development station 24 where the latent electrostatic image created on photoconductive surface 16 is developed by toner and transfer detack corotrons 28 and 30 for assisting transfer of the developed image to a suitable copy substrate material such as a copy sheet 32 brought forward in timed relation with the developed image on photoconductive surface 16 residual toner is removed from the drum surface at cleaning station 34 copy sheets 32 are brought forward to the transfer area by feed.