US Patent 7284831 Inkjet printhead having removable printhead segments

An inkjet printhead assembly is provided comprising an elongate support structure having a base and sidewalls extending from the base, ink supply channels defined between the base and sidewalls, and carrier units removably mounted between a portion of each of the sidewalls of the elongate support structure. Each carrier unit has ink delivery apertures in fluid communication with an inkjet printhead segment which is mounted to the carrier unit. Each carrier unit is configured to place its respective inkjet printhead segment in fluid communication with the ink supply channels of the elongate support structure via the ink delivery apertures when it is mounted to the elongate support structure.