A print media tray assembly includes a print media tray for storing a stack of print media. A feed mechanism is configured to feed said print media to a print engine mounted relative to the print media tray. The print engine includes a chassis and an ink cartridge mounted to the chassis. The print engine defines a plurality of ink reservoirs for storing respective types of ink. A printhead assembly is coupled in fluid communication with the ink cartridge and is configured to eject the ink. A transfer roller is rotationally mounted to the chassis, and is configured to receive the ejected ink and engage the fed print media to transfer the ink on to the print media.