A machine for dispensing a beverage, such as a beverage prepared from a capsule containing a beverage ingredient, comprising: - an external housing (10,30,30',40,50,60) having an external front face and optionally at least one of: one or more external lateral side faces (30,30'); an external rear face; an external top face; and an external bottom face; - a beverage outlet located on the external front face; - a seat for receiving a removable service unit via an opening in the external front face, optionally the service unit comprising: - a receptacle for collecting waste material such as capsules upon use and/or residual liquid; and/or - a feeder for supplying said beverage ingredient capsules and/or another ingredient for forming said beverage to be dispensed and/or a cleaning agent; - a movable user-receptacle support body that is movable between a first position for placing on a upper placement surface of the body a short user-receptacle under the outlet and a second position for placing a large user-receptacle under the outlet, the user-receptacle support body being directly or indirectly connected to the external front face and located in front thereof in said first position and in said second position, the service unit being prevented from being removed or inserted into the seat by the user-receptacle support body when the support body is adjacent to and in front of the opening: - in the first position of the body, the service unit being removable or insertable into the seat when the support body is in the second position; or - in the second position of the body, the service unit being removable or insertable into the seat when the support body is in the first position, characterised in that the user-receptacle support body is movable horizontally in translation from the first position in front of the external front face to the second position in front of the external front face and vice versa. - an external housing (10,30,30',40,50,60) having an external front face and optionally at least one of: one or more external lateral side faces (30,30'); an external rear face; an external top face; and an external bottom face; - a beverage outlet located on the external front face; - a seat for receiving a removable service unit via an opening in the external front face, optionally the service unit comprising: - a receptacle for collecting waste material such as capsules upon use and/or residual liquid; and/or - a feeder for supplying said beverage ingredient capsules and/or another ingredient for forming said beverage to be dispensed and/or a cleaning agent; - a receptacle for collecting waste material such as capsules upon use and/or residual liquid; and/or - a feeder for supplying said beverage ingredient capsules and/or another ingredient for forming said beverage to be dispensed and/or a cleaning agent; - a movable user-receptacle support body that is movable between a first position for placing on a upper placement surface of the body a short user-receptacle under the outlet and a second position for placing a large user-receptacle under the outlet, the user-receptacle support body being directly or indirectly connected to the external front face and located in front thereof in said first position and in said second position, - in the first position of the body, the service unit being removable or insertable into the seat when the support body is in the second position; or - in the second position of the body, the service unit being removable or insertable into the seat when the support body is in the first position,