An ink jet recording system comprises an ink receiving member for receiving ink discharged from a recording head, an introducing device for directing the ink from the ink receiving member to a waste ink containing portion, and control structure, for controlling a relative position between the recording...http://www.google.com.hk/patents/US5386222?utm_source=gb-gplus-share專利 US5386222 - Ink jet recording system and recovery device used with same
