Dispenser having a cartridge holder

A dispenser having a cartridge holder, the cartridge holder having:

• a) at least one guide, at least one twist prevention means, or both for a cartridge, a cartridge receptacle, or both;
• b) a release element configured to transfer a piercing means of the cartridge receptacle from a retracted position into an extended position;
• c) a liquid connection;
• d) a compressed-air outlet connected to a compressed-air sources
• e) a fastening flame which engages around the cartridge receptacle in a form-fitting manner, a force-fitting manner, or both during or after insertion into the cartridge holder;
• and
• wherein the fastening flange comprises a release mechanism which is configured such that actuation of the release mechanism results in the fastening flange engaging around the cartridge receptacle and/or in the fastening flange being shifted such that a relative movement between the cartridge receptacle and the release element in contact with the piercing means is generated, with a result that the piercing means is transferred from the retracted position into the extended position.