An ink-jet printer with an ink nozzle purging device includes a valve equipped in a portion of an ink supply pipe extending from a pump to a printing head unit, and an ink urging unit which has a chamber equipped in a portion of the pipe between the valve and the pump, and further has an elastic member...http://www.google.ca/patents/US6179406?utm_source=gb-gplus-sharePatent US6179406 - Ink-jet printer with ink nozzle purging device
