An ink liquid supply system for an ink jet system printer including a printing head with an ink liquid reservoir for containing ink liquid, an ink liquid passage for supplying the ink liquid from the ink liquid reservoir to the printing head, the ink liquid passage having an ink liquid inlet for communicating...http://www.google.com.au/patents/US5070347?utm_source=gb-gplus-sharePatent US5070347 - Cylindrical wall member for ink liquid resevoir mounted on a carriage in an ink jet system printer
