Provided is a pagewidth printhead assembly. The assembly includes two printheads arranged on opposite sides of a print media path for duplex printing, and a printhead actuating mechanism configured to move the printheads relative to each other. The assembly also includes a capping member and a capping...http://www.google.com.au/patents/US7862146?utm_source=gb-gplus-sharePatent US7862146 - Pagewidth printhead assembly having a capping member actuating mechanism
