The invention relates to a cartridge system (1) for producing a drink in a drink preparation machine, comprising a cartridge (2) that has a reservoir (6) filed with a drink substance (7), and a cartridge receiver (10) that can be reversibly connected to the cartridge, said cartridge receiver (10) comprising a mixing chamber (8) and a cartridge discharge device (34) which causes at least partial transfer of the drink substance (7) from the reservoir (6) into the mixing chamber (8), and said cartridge receiver (10) comprising a fluid supply (12) which opens into the mixing chamber (8). The invention also relates to the cartridge receiver (10) of the cartridge system (1), the drink preparation machine, and the corresponding method for producing a drink (70).