A print cartridge that has a printhead integrated circuit having a plurality of micro-electromechanical nozzle arrangements, a rotor element rotatable between a blot position where the rotor element blots the printhead integrated circuit, a seal position where the rotor element seals the nozzle arrangements, and a platen position in which the rotor element positions a printing medium proximate the printhead integrated circuit, an air distribution channel configured to deliver air along the printhead, communicable with an air supply, a plurality of reservoirs for printing fluids for the printhead integrated circuit and, a refill port arranged in fluid communication with printing fluid conduits each leading to one of the reservoir respectively, the port facilitating refilling of the reservoirs from a refill cartridge.