摘要 |
A storage container for sealingly carrying an ink jet recording head cartridge having an ink jet recording head having the discharge orifices for discharging the ink and a mounting portion for mounting an ink tank replaceably. The ink jet recording head cartridge comprises a storage tank, mounted on the mounting portion, having a negative pressure producing member accommodating chamber having a negative pressure producing member for producing the negative pressure, with an atmosphere communicating portion for communicating to the outside, and a sealed chamber having a communicating portion for communicating to the negative pressure producing member accommodating chamber and forming a sealed space from the outside, except for the communicating portion, with a sealing member for sealing the discharge orifices.
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