| 摘要 |
An ink cartridge is provided with a storage chamber storing ink and an ink absorbent chamber containing an ink absorbent that absorbs the ink from the storage chamber through an interconnection slot. An ejection opening is formed through the ink absorbent chamber to supply the ink to a recording head. A residual ink ejecting mechanism is built in the storage chamber, wherein a liquid send-out member is usually locked in a standby position by a lock member. When an ink run-out sensor detects that the ink is almost used up, an unlock device is activated to unlock the residual ink ejecting mechanism. Then the liquid send-out member pushes out the ink remaining on a bottom of the storage chamber toward the ejection opening, according to a force of a spring.
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