a toner filter arrangement adapted for use in a cleaning station of a xerographic reproduction machine whereby foreign matter and other contaminants are removed from residual toner prior to its collection in a disposable or re - use container or return to the developer station . the filter arrangement comprises a housing having an input opening through which removed toner enters and an output opening through which filtered toner exits by gravity fed . the housing includes a spiral brush mounted for rotation on a shaft centrally located within the housing and a stationary open mesh screen coaxially located with respect to the shaft . rotation of the brush operates to sift toner through the screen to the outlet of the filter housing .