Abstract: The present invention is directed to a device (19) for adapting different types of ingredient capsules (2A, 2B) in a food or beverage preparation machine (1). Said device (19) is constructed to be removably attached to an existing capsule holder (7) of said machine (1).

Abstract: The invention concerns a beverage production system comprising a module (1) for producing a beverage from a pack (10), —said pack comprising a bottom side (101), and said bottom side (101) of said pack comprising an area (104) configured for being openable, said openable area being made of a flexible material, and—a module (1) comprising a pack holder assembly (2), a fluid processing device (11) designed to open the openable area (104)) of the pack, and an actuating device (12) to move said fluid processing device (11) and said pack (10) one to the other, and—the pack holder assembly (2) comprises a movable locking device (24) to position the pack (10) inside the pack chamber (22) when a beverage is prepared, and wherein the bottom part of the pack (10) comprises at least two fixing means (103), said fixing mean being a hole or a deformable area, and wherein the movable locking device (24) comprises at least two positioning means (242), each of said positioning means being configured: to move inside at least