A cartridge is provided for a printing device. The cartridge includes a print media chamber structure that defines a print media chamber in which a stack of respective sheets of print media can be stored. A plurality of ink supply chambers are each configured to store a respective type of ink for printing. In one embodiment, the cartridge includes an outer molding that defines a recess in which the stack can be provided and a substantially planar molding configured to be engaged with the outer molding so as to define the print media chamber.