A printing cartridge comprising: a body configured to removably engage with an inkjet printer; a printhead assembly mounted to the body, the printhead assembly comprising at least one printhead integrated circuit having a plurality of ink ejection nozzles and a support member mounting the, or each, printhead integrated circuit, the nozzles being operated, in use, to print on media by ejecting ink thereon; and a capping mechanism for capping the nozzles during non-operation; and a mounting arrangement for commonly mounting the printhead assembly and capping mechanism to the body, the support member of the printhead assembly being directly mounted to the body and the capping mechanism being directly mounted to the support member.