Abstract: Disclosed are processing cartridges with main cartridge section and actuating cartridge section, the main cartridge section has liquid reservoir chamber, liquid container, container piercing element and resilient container holding element, the actuating cartridge section can dock with the main cartridge section and comprises actuating member that interacts with the liquid container during docking; the liquid container, piercing element and container holding element are arranged in the liquid reservoir chamber, the liquid container is filled with suitable processing liquid and features pierceable dispensing side, and container piercing element faces the dispensing side; the liquid container is held in a position by the container holding element, dispensing side is separated from the container piercing element; and the actuating member can move the liquid container from the position to another position during docking of cartridge actuating section, and in the other position the dispensing side is pierced by con