Patent ID: 6247598
Filing Date: 2001-06-19
Classification: B41J

Abstract:
A storage arrangement for an ink jet recording head cartridge which includes an ink jet recording head having discharge orifices for discharging ink and a mounting portion for mounting an ink tank replaceably, said storage arrangement comprising:a storage container for sealingly carrying the ink jet recording head cartridge;a storage tank mounted on said mounting portion, said storage tank having a negative pressure producing member accommodating chamber which includes a negative pressure producing member for producing negative pressure and which includes an atmosphere communicating portion for communicating to the outside, and a sealed chamber having a communicating portion for communicating to said negative pressure producing member accommodating chamber and which forms a space sealed from the outside, except for said communicating portion; anda sealing member for sealing said discharge orifices;wherein only the negative pressure producing member of said negative pressure producing member accommodating chamber holds, as an amount of ink to be supplied to the ink jet recording head, more than an amount of ink corresponding to an amount of saturated vapor within said storage container.