One example provides a replaceable cartridge for user-installation in a printer system. The replaceable cartridge includes a cartridge body, a cartridge lid and a lid manifold. The cartridge lid covers the cartridge body and includes a lid aperture to supply printing fluid into the cartridge body. The lid manifold is mounted to the cartridge lid and includes a lid manifold input port to be fluidly connected to and disconnected from a carriage manifold of the printer system. The state of the fluid connection depends on a pivot position of the carriage manifold, if the replaceable cartridge is installed in the printer system.