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As superwide format printer manufacturers continue to increase speed and resolution, printer designs become more complex. Current printers can have more than eight thousand nozzles with each being capable of firing more than forty thousand drops per second. While sophisticated electronic and mechanical systems are required to drive these printers, the printhead itself is a fundamental system building block. This brief discusses the key features of inkjet printhead design and architecture that influence not only image quality but also system reliability, serviceability and cost of ownership.