Patent ID: 7533973

Claim:
An inkjet printer system comprising: a media tray for storing stacked print media; a media pick-up mechanism configured to pick respective sheets of print media from the media tray; a pair of transport rollers configured to transport print media from the pick-up mechanism; motor assemblies configured to drive the respective pick-up mechanism and transport rollers; and a printhead configured to eject ink upon print media transported by the transport rollers, the printhead including: a chassis assembly defining a plurality of spaced apart first groups of apertures and a channel; an ink distribution unit defining a plurality of ink distribution passages and a plurality of spaced apart second groups of apertures wherein the apertures of each second group are in fluid communication with respective ink distribution passages, the ink distribution unit being received in the channel so that the first and second groups of apertures coincide: and a plurality of printhead modules serially engaged along the chassis assembly and in fluid communication with respective first groups, the printhead modules being configured to eject ink provided from the ink distribution passages via said first and second groups.