A machine for filling a filter with a dose of coffee powder comprising: - a support base comprising a support seat adapted to receive and support a filter for containing a dose of coffee powder (C); - a dispensing mouth for dispensing the dose of coffee powder (C) facing said support seat and aligned with said support seat along an alignment axis (X); - a pressing device comprising a pressing portion having a pressing surface ; - a first movement member configured to reversibly move the pressing device between a non-operating position and an operating position, wherein the pressing device is interposed between the dispensing mouth and the support seat such that the pressing portion is aligned with the support seat along the alignment axis (X) and the pressing surface faces the support seat and is perpendicular to the alignment axis (X); - a rotation member configured to rotate the pressing portion about a rotation axis (R) that is parallel to the alignment axis (X) and coincident, in use, with the alignment axis (X); - a second movement member configured to move the support seat and the dispensing mouth towards and away from each other along the alignment axis (X); said pressing portion being configured to perform a controlled pressing of the dose of coffee powder (C) contained in the filter , during a machine usage configuration wherein the filter is arranged inside the support seat , the pressing portion is arranged in the operating position, and the pressing portion and the support seat are moved towards each other; characterised in that it further comprises a cleaning station comprising a cleaning device configured to clean the pressing surface when the pressing device is arranged in the non-operating position. - a support base comprising a support seat adapted to receive and support a filter for containing a dose of coffee powder (C); - a dispensing mouth for dispensing the dose of coffee powder (C) facing said support seat and aligned with said support seat along an alignment axis (X); - a pressing device comprising a pressing portion having a pressing surface ; - a first movement member configured to reversibly move the pressing device between a non-operating position and an operating position, wherein the pressing device is interposed between the dispensing mouth and the support seat such that the pressing portion is aligned with the support seat along the alignment axis (X) and the pressing surface faces the support seat and is perpendicular to the alignment axis (X); - a rotation member configured to rotate the pressing portion about a rotation axis (R) that is parallel to the alignment axis (X) and coincident, in use, with the alignment axis (X); - a second movement member configured to move the support seat and the dispensing mouth towards and away from each other along the alignment axis (X); said pressing portion being configured to perform a controlled pressing of the dose of coffee powder (C) contained in the filter , during a machine usage configuration wherein the filter is arranged inside the support seat , the pressing portion is arranged in the operating position, and the pressing portion and the support seat are moved towards each other; <EOS>