US Patent 7775625 Printer having capper for duplexed printheads

A printer is provided having a pagewidth printhead assembly having opposed pagewidth printheads, a pagewidth capping member located adjacent the printheads, and an actuating mechanism arranged to move the printheads and capping member. Each printhead has a plurality of ink ejection nozzles arranged across the pagewidth to deliver ink onto opposite faces of print media as it is transported between the printheads. The actuating mechanism moves the printheads between respective printing positions and a non-printing position, and the capping member between the printheads in the non-printing position to cap the nozzles.