A ferro-fluidic inkjet printhead sealing and spitting system is provided for maintaining inkjet printhead health, prior to and after installation in an inkjet printing mechanism. As a ferro-fluidic capping system for sealing printhead nozzles which eject ink having either polar properties or non-polar...http://www.google.com.au/patents/US6328411?utm_source=gb-gplus-sharePatent US6328411 - Ferro-fluidic inkjet printhead sealing and spitting system